Heske Group University of Nevada Las Vegas

Publications, Conference Proceedings, Books, Book Chapters, Annual Reports, and Patents


Publications


Synopsis: 163 peer-reviewed journal publications. 85 non-refereed publications in conference proceedings and annual reports of synchrotron radiation sources. 7 conference proceedings (as editor), books, and book chapters. 1 Patent.

A. Publications in Refereed Journals:


  1.    “KF Post-Deposition Treatment of Industrial Cu(In,Ga)(S,Se)2 Thin-Film Surfaces: Modifying the Chemical and Electronic Structure”,
    M. Mezher, L.M. Mansfield, K. Horsley, M. Blum, R. Wieting, L. Weinhardt, K. Ramanathan, and C. Heske,
    Appl. Phys. Lett., in print.

  2.    “X-ray Emission Spectroscopy of the Proteinogenic Amino Acids at All Relevant Absorption Edges”,
    F. Meyer, M. Blum, A. Benkert, D. Hauschild, Y. L. Jeyachandran, R. G. Wilks, W. Yang, M. Bär, C. Heske, F. Reinert, M. Zharnikov, and L. Weinhardt,
    J. Phys. Chem. B 121, 6549-6556 (2017). (DOI: 10.1021/acs.jpcb.7b04291)

  3.    “Zn−Se−Cd−S Interlayer Formation at the CdS/Cu2ZnSnSe4 Thin-Film Solar Cell Interface”,
    M. Bär, I. Repins, L. Weinhardt, J.H. Alsmeier, S. Pookpanratana, M. Blum, W. Yang, C. Heske, R.G. Wilks, and R. Noufi,
    ACS Energy Lett. 2, 1632–1640 (2017). (DOI: 10.1021/acsenergylett.7b00140)

  4.    “High-efficiency In-situ Resonant Inelastic X-ray Scattering (iRIXS) Endstation at the Advanced Light Source”,
    R. Qiao, Q. Li, Z. Zhuo, S. Sallis, O. Fuchs, L. Weinhardt, M. Blum, C. Heske, J. Pepper, M. Jones, P.-A. Glans, Y. Chen, S. Yan, F. Pan, L.F.J. Piper, J. Denlinger, J. Guo, Z. Hussain, Yi-De Chuang, and W. Yang,
    Rev. Sci. Instrum. 88, 033106 (2017). (DOI: 10.1063/1.4977592)

  5.    “Valence Electronic Structure of Li2O2, Li2O, Li2CO3, and LiOH Probed by Soft X-ray Emission Spectroscopy”,
    A. Léon, A. Fiedler, M. Blum, A. Benkert, F. Meyer, W. Yang, M. Bär, F. Scheiba, H. Ehrenberg, L. Weinhardt, and C. Heske,
    J. Phys. Chem. C 121, 5460-5466 (2017). (DOI: 10.1021/acs.jpcc.6b11119)

  6.    “Formation of a K-In-Se surface species by NaF/KF post-deposition treatment of Cu(In,Ga)Se2 thin-film solar cell absorbers”,
    E. Handick, P. Reinhard, R.G. Wilks, F. Pianezzi, T. Kunze, D. Kreikemeyer-Lorenzo, L. Weinhardt, M. Blum, W. Yang, M. Gorgoi, E. Ikenaga, D. Gerlach, S. Ueda, Y. Yamashita, T. Chikyow, C. Heske, S. Buecheler, A.N. Tiwari, and M. Bär,
    ACS Appl. Mater. Interfaces 9, 3581-3589 (2017). (DOI: 10.1021/acsami.6b11892)

  7.    “The effect of NaCl on room-temperature-processed indium oxide nanoparticle thin films for printed electronics”,
    M. Häming, T. T. Baby, S. K. Garlapati, B. Krause, H. Hahn, S. Dasgupta, L. Weinhardt, and C. Heske,
    Applied Surface Science 396, 912-919 (2017). (DOI: 10.1016/j.apsusc.2016.11.060)

  8.    “Soft x-ray spectroscopy of a complex heterojunction in high-efficiency thin-film photovoltaics: intermixing and Zn speciation at the Zn(O,S)/Cu(In,Ga)Se2 interface”,
    M. Mezher, R. Garris, L.M. Mansfield, M. Blum, D. Hauschild, K. Horsley, D.A. Duncan, W. Yang, M. Bär, L. Weinhardt, K. Ramanathan, and C. Heske,
    ACS Appl. Mater. Interfaces 8, 33256-33263 (2016). (DOI: 10.1021/acsami.6b09245)

  9.    “A New Look at the Electronic Structure of Transparent Conductive Oxides – A Case Study of the Interface between Zinc Magnesium Oxide and Cadmium Telluride”,
    D.A. Duncan, R. Mendelsberg, M. Mezher, K. Horsley, S.G. Rosenberg, M. Blum, G. Xiong, L. Weinhardt, M. Gloeckler, and C. Heske,
    Advanced Materials Interfaces 1600418 (2016). (DOI: 10.1002/admi.201600418)

  10.    “Towards Printed Organic Light-emitting Devices: A solution-stable, highly soluble Cu(I)-NHETPHOS-complex for inkjet processing”,
    M. Wallesch, A. Verma, C. Fléchon, H. Flügge, D.M. Zink, S. Seifermann, J.M. Navarro, T. Vitova, J. Göttlicher, R. Steininger, L. Weinhardt, M. Zimmer, M. Gerhards, C. Heske, S. Bräse, T. Baumann, and D. Volz,
    Chemistry – A European Journal Communication 22, 16400-16405 (2016). (DOI: 10.1002/chem.201603847)

  11.    “Band-Gap Widening at the Cu(In,Ga)(S,Se)2 Surface - A Novel Determination Approach Using Reflection Electron Energy Loss Spectroscopy”,
    D. Hauschild, E. Handick, S. Göhl-Gusenleitner‚ F. Meyer, H. Schwab, A. Benkert, S. Pohlner, J. Palm, S. Tougaard, C. Heske, L. Weinhardt, and F. Reinert,
    ACS Appl. Mater. Interfaces 8, 21101-21105 (2016). (DOI: 10.1021/acsami.6b06358)

  12.    “Investigation of the Ionic Hydration in Aqueous Salt Solutions by Soft X-ray Emission Spectroscopy”,
    Y. L. Jeyachandran, F. Meyer, A. Benkert, M. Bär, M. Blum, W. Yang, F. Reinert, C. Heske, L. Weinhardt, and M. Zharnikov,
    J. Phys. Chem. B 120, 7687−7695 (2016). (DOI: 10.1021/acs.jpcb.6b03952)

  13.    “Electronic Structure of the Zn(O,S)/Cu(In,Ga)Se2 Interface”,
    M. Mezher, R. Garris, L.M. Mansfield, K. Horsley, L. Weinhardt, D. Douncan, M. Blum, S.G. Rosenberg, M. Bär, K. Ramanathan, and C. Heske,
    Progress in Photovoltaics 24, 1142-1148 (2016). (DOI: 10.1002/pip.2764)

  14.    “Site- and symmetry-resolved resonant x-ray emission study of a highly ordered PTCDA thin film”,
    L. Weinhardt, O. Fuchs, A. Fischer, M. Weigand, F. Meyer, A. Benkert, M. Blum, M. Bär, S. Pookpanratana, J.D. Denlinger, C. Heske, and E. Umbach,
    J. Phys. Chem. C 120, 8607−8615 (2016). (DOI: 10.1021/acs.jpcc.5b12422)

  15.    “Isotope effects in the resonant inelastic soft x-ray scattering maps of gas-phase methanol”,
    A. Benkert, F. Meyer, D. Hauschild, M. Blum, W. Yang, R. G. Wilks, M. Bär, F. Reinert, C. Heske, and L. Weinhardt,
    J. Phys. Chem. A 120, 2260–2267 (2016). (DOI: 10.1021/acs.jpca.6b02636)

  16.    “Impact of Annealing-Induced Intermixing on the Electronic level alignment at the In2S3/Cu(In,Ga)Se2 thin-film solar cell interface - or why significant intermixing allows for high efficiencies”,
    M. Bär, N. Barreau, F. Couzinié-Devy, L. Weinhardt, R.G. Wilks, J. Kessler, and C. Heske,
    ACS Appl. Mater. Interfaces 8, 2120-2124 (2016). (DOI: 10.1021/acsami.5b10614)

  17.    “Probing hydrogen bonding orbitals: resonant inelastic soft X-ray scattering of aqueous NH3”,
    L. Weinhardt, E. Ertan, M. Iannuzzi, M. Weigand, O. Fuchs, M. Bär, M. Blum, J.D. Denlinger, W. Yang, M. Odelius, and C. Heske,
    Physical Chemistry Chemical Physics 17, 27145 - 27153 (2015). (DOI: 10.1039/c5cp04898b)

  18.    “Characterization of sulfur bonding in CdS:O buffer layers for CdTe-based thin-film solar cells”,
    D.A. Duncan, J.M. Kephart, K. Horsley, M. Blum, M. Mezher, L. Weinhardt, M. Häming, R.G. Wilks, T. Hofmann, W. Yang, M. Bär, W.S. Sampath, and C. Heske,
    ACS Appl. Mater. Interfaces 7, 16382-6 (2015). (DOI:10.1021/acsami.5b03503)

  19.    “Annealing-induced effects on the chemical structure of the In2S3/CuIn(S,Se)2 thin-film solar cell interface”,
    D. Hauschild, F. Meyer, A. Benkert‚ D. Kreikemeyer-Lorenzo, S. Pohlner, J. Palm, M. Blum, W. Yang, R.G. Wilks, M. Bär, C. Heske, L. Weinhardt, and F. Reinert,
    J. Phys. Chem. C 119, 10412-10416 (2015). (DOI: 10.1021/acs.jpcc.5b01622)

  20.    “Bridging the efficiency gap: Fully Bridged Dinuclear Cu(I)-complexes for Singlet Harvesting in High-Efficiency OLEDs”,
    D. Volz, Y. Chen, M. Wallesch, R. Liu, C. Fléchon, D.M. Zink, J. Friedrichs, H. Flügge, R. Steininger, J. Göttlicher, C. Heske, L. Weinhardt, S. Bräse, F. So, and T. Baumann,
    Adv. Materials 27, 2538–2543 (2015). (DOI: 10.1002/adma.201405897)

  21.    “Ion-Solvation-Induced Molecular Reorganization in Liquid Water Probed by Resonant Inelastic Soft X-ray Scattering”,
    Y. L. Jeyachandran, F. Meyer, S. Nagarajan, A. Benkert, M. Bär, M. Blum, W. Yang, F. Reinert, C. Heske, L. Weinhardt, and M. Zharnikov,
    J. Phys. Chem. Lett. 5, 4143-4148 (2014). (DOI:10.1021/jz502186a)

  22.    “’Building-block picture’ of the electronic structure of aqueous cysteine derived from resonant inelastic soft x-ray scattering”,
    F. Meyer, M. Blum, A. Benkert, D. Hauschild, S. Nagarajan, R.G. Wilks, J. Andersson, W. Yang, M. Zharnikov, M. Bär, C. Heske, F. Reinert, and L. Weinhardt,
    J. Phys. Chem. B 118, 13142-13150 (2014). (DOI:10.1021/jp5089417)

  23.    “Impact of annealing on the chemical structure and morphology of the thin-film CdTe/ZnO interface”,
    K. Horsley, R.J. Beal, R.G. Wilks, D.A. Hanks, M. Blum, M.G. Weir, M. Hӓming, T. Hofmann, L. Weinhardt, M. Bӓr, B.G. Potter, Jr., and C. Heske,
    J.Appl. Phys. 116, 024312 (2014). (DOI:10.1063/1.4890235)

  24.    “Labile or stable: Can homoleptic and heteroleptic PyrPHOS- copper complexes be processed from solution?”,
    D. Volz, M. Wallesch, St.L. Grage, J. Göttlicher, R. Steininger, D. Batchelor, A.S. Ulrich, L. Weinhardt, C. Heske, Th. Baumann, and S. Bräse,
    Inorganic Chemistry 53, 7837-7847 (2014). (DOI:10.1021/ic500135m)

  25.    “Impact of environmental conditions on the chemical surface properties of Cu(In,Ga)(S,Se)2 thin-film solar cell absorbers”,
    D. Hauschild, F. Meyer, S. Pohlner, R. Lechner, R. Dietmüller, J. Palm, C. Heske, L. Weinhardt, and F. Reinert,
    J. Appl. Phys. 115, 183707 (2014) (DOI:10.1063/1.4876257)

  26.    “Setup for in-situ investigation of gases and gas/solid interfaces by soft x-ray emission and absorption spectroscopy”,
    A. Benkert, M. Blum, F. Meyer, R. G. Wilks, W. Yang, M. Bär, F. Reinert, C. Heske, and L. Weinhardt,
    Rev. Sci. Instrum. 85, 015119 (2014). (DOI:10.1063/1.4862059)

  27.    "Finding Correlations of the Oxygen Reduction Reaction Activity of Transition Metal Catalysts with Parameters Obtained from Quantum Mechanics",
    T.H. Yu, T. Hofmann, Y. Sha, B.V. Merinov, D.J. Myers, C. Heske, and W.A. Goddard III,
    J. Phys. Chem. C 117, 26598–26607 (2013) (DOI:10.1021/jp4071554)

  28.    “Soft x-ray and electron spectroscopy to determine the electronic structure of materials for photoelectrochemical hydrogen production”,
    L. Weinhardt, M. Blum, O. Fuchs, S. Pookpanratana, K. George, B. Cole, B. Marsen, N. Gaillard, E. Miller, K.-S. Ahn, S. Shet, Y. Yan, M. M. Al-Jassim, J.D. Denlinger, W. Yang, M. Bär, and C. Heske,
    J. Electr. Spectrosc. Rel. Phenom. 190, 106-112 (2013) (DOI:10.1016/j.elspec.2012.11.015)

  29.    “Soft x-rays shedding light on thin-film solar cell surfaces and interfaces”,
    M. Bär, S. Pookpanratana, L. Weinhardt, R.G. Wilks, B. Schubert, B. Marsen, T. Unold, M. Blum, S. Krause, Y. Zhang, A. Ranasinghe, K. Ramanathan, I. Repins, M.A. Contreras, S. Nishiwaki, X. Liu, N.R. Paudel, O. Fuchs, T.P. Niesen, W. Yang, F. Karg, A.D. Compaan, W.N. Shafarman, R. Noufi, H.-W. Schock, and C. Heske,
    J. El. Spectrosc. Rel. Phenom. 190, 47-53 (2013) (DOI:10.1016/j.elspec.2012.10.004)

  30.    “RIXS investigations of liquids, solutions, and liquid/solid interfaces”,
    L. Weinhardt, M. Blum, O. Fuchs, A. Benkert, F. Meyer, M. Bär, J.D. Denlinger, W. Yang, F. Reinert, and C. Heske,
    J. El. Spectrosc. Rel. Phenom. 188, 111-120 (2013) (DOI:10.1016/j.elspec.2012.10.006)

  31.    “Cu2-xS Surface Phases and Their Impact on the Electronic Structure of CuInS2 Thin Films – A Hidden Parameter in Solar Cell Optimization”,
    M. Bär, J. Klaer, L. Weinhardt, R.G. Wilks, S. Krause, M. Blum, W. Yang, C. Heske, and H.-W. Schock,
    Adv. Energy Mater. 3, 777-781 (2013)(DOI: 10.1002/aenm.201200946)

  32.    “The Be K-edge in beryllium oxide and chalcogenides: x-ray absorption spectra from first-principles theory and experiment”,
    W. Olovsson, I. Tanaka, P. Puschnig, C. Ambrosch-Draxl, O. Fuchs, L. Weinhardt, E. Umbach, and C. Heske,
    J. Phys.: Condens. Matter 25, 315501 (2013) (DOI:10.1088/0953-8984/25/31/315501)

  33.    Reply to Comment on: “Using photoelectron spectroscopy and quantum mechanics to determine d-band energies of metals for catalytic applications” [J. Phys. Chem. C 116, 24016 (2012)],
    T. Hofmann, T.H. Yu, M. Folse, L. Weinhardt, M. Bär, Y. Zhang (张宇锋), B.V. Merinov, D.J. Myers, W.A. Goddard III, and C. Heske,
    J. Phys. Chem. C 117, 6916–6917 (2013)(DOI:10.1021/jp401620e)

  34.    “Controlling the electron-deficiency of self-assembling pyrazine-acenes: A collaborative experimental and theoretical investigation”,
    L. Brownell, K. Jang, K.A. Robins, I. Tran, C. Heske, and D.-C. Lee,
    Phys. Chem. Chem. Phys. 15, 5967-5974 (2013)(DOI: 10.1039/c3cp43886d)

  35.    “Surface Off-Stoichiometry of CuInS2 Thin-Film Solar Cell Absorbers”,
    M. Bär, J. Klaer, R. Félix, N. Barreau, L. Weinhardt, R.G. Wilks, C. Heske, and H.-W. Schock,
    IEEE J. of Photovolt. 3, 828-832 (2013)(DOI: 10.1109/JPHOTOV.2012.2228299)

  36.    “Non-equivalent carbon atoms in the resonant inelastic soft X-ray scattering map of cysteine”,
    F. Meyer, L. Weinhardt, M. Blum, M. Bär, R.G. Wilks, W. Yang, C. Heske, and F. Reinert,
    J. Chem. Phys. 138, 034306 (2013) (DOI:10.1063/1.4774059)

  37.    “Using photoelectron spectroscopy and quantum mechanics to determine d-band energies of metals for catalytic applications”,
    T. Hofmann, T.H. Yu, M. Folse, L. Weinhardt, M. Bär, Y. Zhang (张宇锋), B.V. Merinov, D.J. Myers, W.A. Goddard III, and C. Heske,
    J. Phys. Chem. C 116, 24016 (2012). (DOI:10.1021/jp303276z)

  38.    “Ultra-fast proton dynamics in aqueous amino acid solutions studied by soft x-ray spectroscopy”,
    M. Blum, M. Odelius, L. Weinhardt, S. Pookpanratana, M. Bär, Y. Zhang, O. Fuchs, W. Yang, E. Umbach, and C. Heske,
    J. Phys. Chem. B 116, 13757-13764 (2012). (DOI:10.1021/jp302958j)

  39.    “Nuclear dynamics and spectator effects in resonant inelastic soft x-ray scattering of gas phase water molecules”,
    L. Weinhardt, A. Benkert, F. Meyer, M. Blum, R.G. Wilks, W. Yang, M. Bär, F. Reinert, and C. Heske,
    J. Chem. Phys. 136, 144311 (2012). (DOI:10.1063/1.3702644)

  40.    “Cu2ZnSnS4 thin-film solar cell absorbers illuminated by soft x-rays”,
    M. Bär, B.-A. Schubert, B. Marsen, R.G. Wilks, M. Blum, S. Krause, S. Pookpanratana, Y. Zhang, T. Unold, W. Yang, L. Weinhardt, C. Heske, and H.-W. Schock,
    J. Mater. Res. 27, 1097 – 1104 (2012). (DOI: 10.1557/jmr.2012.59)

  41.    “Microstructure of vanadium-based contacts on n-type GaN”,
    S. Pookpanratana, R. France, R. Félix, R. Wilks, L. Weinhardt, T. Hofmann, L.T. Bismaths, F. Kronast, T. D. Moustakas, M. Bär, and C. Heske,
    J. Phys. D: Appl. Phys. 45, 105401 (2012). (DOI:10.1088/0022-3727/45/10/105401)

  42.    “Cliff-like conduction band offset and KCN-induced recombination barrier enhancement at the CdS/Cu2ZnSnS4 thin-film solar cell heterojunction”,
    M. Bär, B.-A. Schubert, B. Marsen, R.G. Wilks, S. Pookpanratana, M. Blum, S. Krause, T. Unold, W. Yang, L. Weinhardt, C. Heske, and H.-W. Schock,
    Appl. Phys. Lett. 99, 222105 (2011) (DOI:10.1063/1.3663327)

  43.    “Impact of KCN etching on the chemical and electronic surface structure of Cu2ZnSnS4 thin-film solar cell absorbers”,
    M. Bär, B.-A. Schubert, B. Marsen, S. Krause, S. Pookpanratana, T. Unold, L. Weinhardt, C. Heske, and H.-W. Schock,
    Appl. Phys. Lett. 99, 152111 (2011). (DOI:10.1063/1.3650717)

  44.    “Synthesis and Characterization of Conductive Polyimide/Carbon Composites with Surface Deposits of Pt”,
    J.M. Kinyanjui, D.W. Hatchett, G. Castruita, A.D. Ranasinghe, L. Weinhardt, T. Hofmann, and C. Heske,
    Synth. Metals 161, 2368 – 2377 (2011) (DOI:10.1016/j.synthmet.2011.08.046)

  45.    “Soft X-Ray Emission Spectroscopy Studies of the Electronic Structure of Silicon Supersaturated with Sulfur”
    J.T. Sullivan, R.G. Wilks, M.T. Winkler, L. Weinhardt, D. Recht, A.J. Said, B.K. Newman, Y. Zhang, M. Blum, S. Krause, W. Yang, C. Heske, M.J. Aziz, M. Bär, and T. Buonassisi,
    Appl. Phys. Lett. 99, 142102 (2011) (DOI:10.1063/1.3643050)

  46.    “Electron-hole correlation effects in core-level spectroscopy probed by the resonant inelastic soft x-ray scattering map of C60”,
    L. Weinhardt, O. Fuchs, D. Batchelor, M. Bär, M. Blum, J.D. Denlinger, W. Yang, A. Schöll, F. Reinert, E. Umbach, and C. Heske,
    J. Chem. Phys. 135, 104705 (2011). (DOI:10.1063/1.3633953)

  47.     “Native oxidation and Cu-poor surface structure of thin film Cu2ZnSnS4 solar cell absorbers”,
    M. Bär, B.-A. Schubert, B. Marsen, S. Krause, S. Pookpanratana, T. Unold, L. Weinhardt, C. Heske, and H.-W. Schock,
    Appl. Phys. Lett. 99, 112103 (2011). (DOI:10.1063/1.3637574)

  48.    “Nuclear dynamics in the core-excited state of aqueous ammonia probed by resonant inelastic soft x-ray scattering”,
    L. Weinhardt, M. Weigand, O. Fuchs, M. Bär, M. Blum, J.D. Denlinger, W. Yang, E. Umbach, and C. Heske,
    Phys. Rev. B 84, 104202 (2011). (DOI: 10.1103/PhysRevB.84.104202)

  49.    “Highly Photoactive a-Fe2O3 Films for Photoelectrochemical Water Splitting”,
    G. Wang, Y. Ling, D.A. Wheeler, K. George, X. Yang, K. Horsley, C. Heske, J.Z. Zhang, and Y. Li,
    Nano Letters 11, 3503 – 3509 (2011). (DOI:10.1021/nl202316j)

  50.    “Electronic structure of Cu2ZnSnS4 probed by soft x-ray emission and absorption spectroscopy”,
    M. Bär, B.-A. Schubert, B. Marsen, S. Schorr, R.G. Wilks, L. Weinhardt, S. Pookpanratana, M. Blum, S. Krause, Y. Zhang, W. Yang, T. Unold, C. Heske, and H.-W. Schock,
    Phys. Rev. B 84, 03508 (2011).(DOI: 10.1103/PhysRevB.84.035308)

  51.    “The Electrochemical Reduction of PdCl42- and PdCl62- in Polyaniline: Influence of Pd Deposit Morphology on Methanol Oxidation in Alkaline Solution”,
    D.W. Hatchett, N.M. Millick, J.M. Kinyanjui, S. Pookpanratana, M. Bär, T. Hofmann, A. Luinetti, and C. Heske,
    Electrochimica Acta 56, 6060 – 6070 (2011).(DOI:10.1016/j.electacta.2011.04.083)

  52.    “X-ray photoelectron spectroscopy study of the chemical interaction at the Pd/SiC interface”,
    Y. Zhang, G. Gajjala, T. Hofmann, L. Weinhardt, M. Bär, C. Heske, M. Seelmann-Eggebert, and D. Meisen,
    J. Appl. Phys. 108, 093702 (2010).(DOI:10.1063/1.3500374)

  53.    “Effects of post-deposition treatments on surfaces of CdTe/CdS solar cells”,
    S. Pookpanratana, X. Liu, N. R. Paudel, L. Weinhardt, M. Bär, Y. Zhang, F. Khan, M. Blum, W. Yang, A. Compaan, and C. Heske,
    Appl. Phys. Lett. 97, 172109 (2010). (DOI:10.1063/1.3505155)

  54.    “CdS/Cu(In,Ga)Se2 interface formation in high-efficiency thin film solar cells”,
    S. Pookpanratana, I. Repins, M. Bär, L. Weinhardt, Y. Zhang, R. Felix, M. Blum, W. Yang, and C. Heske,
    Appl. Phys. Lett. 97, 074101 (2010). (DOI:10.1063/1.3481405)

  55.    “Organogels from Functionalized T-Shaped π-Conjugated Bisphenazines”,
    K. Jang, A.D. Ranasinghe, C. Heske, and D.-C. Lee,
    Langmuir 26, 13630-13636 (2010). (DOI: 10.1021/la101921c)

  56.    “Impact of solid-phase crystallization of amorphous silicon on the chemical structure of the buried Si/ZnO thin film solar cell interface”,
    M. Bär, M. Wimmer, R.G. Wilks, M. Roczen, D. Gerlach, F. Ruske, K. Lips, B. Rech, L. Weinhardt, M. Blum, S. Pookpanratana, S. Krause, Y. Zhang, C. Heske, W. Yang, and J.D. Denlinger,
    Appl. Phys. Lett. 97, 072105 (2010). (DOI:10.1063/1.3462316)

  57.    “Chemical structure of vanadium-based contact formation on n-AlN”,
    S. Pookpanratana, R. France, M. Blum, A. Bell, M. Bär, L. Weinhardt, Y. Zhang, T. Hofmann, O. Fuchs, W. Yang, J. D. Denlinger, S. Mulcahy, T. D. Moustakas, and C. Heske,
    J. Appl. Phys. 108, 024906 (2010). (DOI:10.1063/1.3456060)

  58.    “Non-destructive depth-resolved spectroscopic investigation of the heavily intermixed In2S3/Cu(In,Ga)Se2 interface”,
    M. Bär, N. Barreau, F. Couzinié-Devy, S. Pookpanratana, J. Klaer, M. Blum, Y. Zhang, W. Yang, J.D. Denlinger, H.-W. Schock, L. Weinhardt, J. Kessler, and C. Heske,
    Appl. Phys. Lett. 96, 184101 (2010). (DOI:10.1063/1.3425739)

  59.    “Sulfur gradient-driven Se diffusion at the CdS/CuIn(S,Se)2 solar cell interface”,
    L. Weinhardt, M. Bär, S. Pookpanratana, M. Morkel, T.P. Niesen, F. Karg, K. Ramanathan, M.A. Contreras, R. Noufi, E. Umbach, and C. Heske,
    Appl. Phys. Lett. 96, 182102 (2010). (DOI:10.1063/1.3425666)

  60.    “Oxidation of Titanium-decorated Single-Walled Carbon Nanotubes and subsequent reduction by Lithium”,
    I. Tran, R. Felix, M. Bär, L. Weinhardt, Y. Zhang, and C. Heske,
    J. Am. Chem. Soc. 132, 5789-5792 (2010). (DOI:10.1021/ja910976k)

  61.    “Resonant x-ray emission spectroscopy of liquid water: novel instrumentation, high resolution, and the map approach”,
    L. Weinhardt, O. Fuchs, M. Blum, M. Bär, M. Weigand, J.D. Denlinger, Y. Zubavichus, M. Zharnikov, M. Grunze, C. Heske, and E. Umbach,
    J. El. Spectrosc. Rel. Phenom. 177, 206-211 (2010). (DOI:10.1016/j.elspec.2009.02.014)

  62.    “Mo incorporation in WO3 thin film Photoanodes – Tailoring the electronic structure for photoelectrochemical hydrogen production”,
    M. Bär, L. Weinhardt, B. Cole, B. Marsen, N. Gaillard, E.L. Miller, and C. Heske
    Appl. Phys. Lett. 96, 032107 (2010). (DOI:10.1063/1.3291689)

  63.    “REVIEW: Accelerating materials development for photoelectrochemical hydrogen production: Standards for methods, definitions, and reporting protocols”,
    Z. Chen, T. F. Jaramillo, T. G. Deutsch, A. Kleiman-Shwarsctein, A. Forman, N. Gaillard, R. Garland, K. Takanabe, C. Heske, M. Sunkara, E. W. McFarland, K. Domen, E. L. Miller, J. A. Turner, and H. N. Dinh,
    J. Mater. Res. 25, 3-16 (2010). (DOI: 10.1557/JMR.2010.0020)

  64.    “Origin of improved current collection in WO3/WO3:Mo bilayer photoelectrodes”,
    N. Gaillard, B. Cole, B. Marsen, J. Kaneshiro, E.L. Miller, L. Weinhardt, M. Bär, C. Heske, K. -S. Ahn, Y. Yan, and M. M. Al-Jassim,
    J. Mater. Res. 25, 45-51 (2010).

  65.    “Solid And Liquid Spectroscopic Analysis (SALSA) – a soft x-ray spectroscopy synchrotron endstation with a novel flow-through liquid cell”,
    M. Blum, L. Weinhardt, O. Fuchs, M. Bär, Y. Zhang, M. Weigand, S. Krause, S. Pookpanratana, T. Hofmann, W. Yang, J. D. Denlinger, E. Umbach, and C. Heske,
    Rev. Sci. Instrum. 80, 123102 (2009). (DOI:10.1063/1.3257926)

  66.    “Three-dimensional buffer/absorber interface structure in chalcopyrite solar cells”,
    M. Rusu, M. Bär, S. Lehmann, S. Sadewasser, L. Weinhardt, C.A. Kaufmann, J. Röhrich, W. Bohne, I. Lauermann, C. Heske, and M.Ch. Lux-Steiner,
    Appl. Phys. Lett. 95, 173502 (2009). (3 pages)( DOI: 10.1063/1.3253419)

  67.    “Morphology of perylene thin films on SiOx/Si(100) and SiO2/Si(100): a spectroscopic and microscopic study of the influence of the preparation parameters”,
    M. B. Casu, X. Yu, S. Schmitt, C. Heske, and E. Umbach,
    Chem. Phys. Lett. 479, 76-80 (2009). (DOI:10.1016/j.cplett.2009.08.015)

  68.    “Chemical and electronic surface structure of 20%-efficient Cu(In,Ga)Se2 thin film solar cell absorbers”,
    M. Bär, I. Repins, M.A. Contreras, L. Weinhardt, R. Noufi, and C. Heske,
    Appl. Phys. Lett. 95, 052106 (2009). (3 pages) (DOI:10.1063/1.3194153)

  69.    “Nucleation in Organic Thin Film Growth: Perylene on Al2O3/Ni3Al(111)”,
    B. Casu, A. Schoell, K. Bauchspiess, D. Hübner, Th. Schmidt, C. Heske, and E. Umbach,
    J. Phys. Chem. C 113, 10990-10996 (2009). (DOI:10.1021/jp809497h)

  70.    “High-resolution, high-transmission soft x-ray spectrometer for the study of biological samples”,
    O. Fuchs, L. Weinhardt, M. Blum, M. Weigand, E. Umbach, M. Bär, C. Heske, J. Denlinger, Yi-De Chuang, W. McKinney, Z. Hussain, E. Gullikson, M. Jones, P. Batson, B. Nelles, and R. Follath,
    Rev. Sci. Instrum. 80, 063103 (2009). (7 pages) selected for the Virtual Journal of Biological Physics Research 17(12) (2009). (DOI:10.1063/1.3133704 )

  71.    “Resonant inelastic soft x-ray scattering of CdS: A two-dimensional electronic structure map approach”,
    L. Weinhardt, O. Fuchs, A. Fleszar, M. Bär, M. Blum, M. Weigand, J.D. Denlinger, W. Yang, W. Hanke, E. Umbach, and C. Heske,
    Phys. Rev. B 79, 165305 (2009). (5 pages) (DOI:10.1103/PhysRevB.79.165305)

  72.    “Impact of air-exposure on the chemical and electronic structure of ZnO:Zn3N2 thin films”,
    M. Bär, K.-S. Ahn, Y. Yan, L. Weinhardt, O. Fuchs, M. Blum, K. George, S. Pookpanratana, W. Yang, J.D. Denlinger, M. Al-Jassim, and C. Heske,
    Appl. Phys. Lett. 94, 012110 (2009). (3 pages) (DOI:10.1063/1.3056638)

  73.    “Influence of the preparation conditions on the morphology of perylene thin films on Si(111) and Si(100)”,
    M. B. Casu, X. Yu, S. Schmitt, C. Heske, and E. Umbach,
    J. Chem. Phys. 129, 244708 (2008). (6 pages) selected for the Virtual Journal of Biological Physics Research 17(1) (2009). (DOI:10.1063/1.3046685)

  74.    “Depth-resolved band gap energies in Cu(In,Ga)(S,Se)2 thin films“,
    M. Bär, L. Weinhardt, S. Pookpanratana, C. Heske, S. Nishiwaki, W. Shafarman, O. Fuchs, M. Blum, W. Yang, and J.D. Denlinger,
    Appl. Phys. Lett. 93, 244103 (2008). (3 pages) (DOI:10.1063/1.3046780)

  75.    "Intermixing and chemical structure at the interface between n-GaN and V-based contacts",
    S. Pookpanratana, R. France, M. Bär, L. Weinhardt, O. Fuchs, M. Blum, W. Yang, J. D. Denlinger, T. D. Moustakas, and C. Heske,
    Appl. Phys. Lett. 93, 172106 (2008). (3 pages) (DOI:10.1063/1.2992199)

  76.    "Chemical structures of the Cu(In,Ga)Se2/Mo and Cu(In,Ga)(S,Se)2/Mo interfaces",
    M. Bär, L. Weinhardt, C. Heske, S. Nishiwaki, and W. Shafarman,
    Phys. Rev. B 78, 075404 (2008). (8 pages) (DOI:10.1103/PhysRevB.78.075404)

  77.    "Electronic level alignment at the deeply buried absorber/back contact interface in chalcopyrite-based thin film solar cells",
    M. Bär, L. Weinhardt, S. Pookpanratana, C. Heske, S. Nishiwaki, and W. Shafarman,
    Appl. Phys. Lett. 93, 042110 (2008). (3 pages) (DOI:10.1063/1.2955532)

  78.    Reply to Comment on "Isotope and temperature effects in liquid water probed by x-ray absorption and resonant x-ray emission spectroscopy",
    O. Fuchs, M. Zharnikov, L. Weinhardt, M. Blum, M. Weigand, Y. Zubavichus, M. Bär, F. Maier, W. Yang, J. D. Denlinger, C. Heske, M. Grunze, and E. Umbach,
    Phys. Rev. Lett. 100, 249802 (2008). (1 page)

  79.    "A multi-technique investigation of TiO2 films prepared by magnetron sputtering",
    M. B. Casu, W. Braun, K. R. Bauchspieß, S. Kera, B. Megner, C. Heske, R. Thull, and E. Umbach,
    Surface Science 602, 1599-1606 (2008). (DOI:10.1016/j.susc.2008.02.030)

  80.    "Electronic surface level positions of WO3 thin films for photoelectrochemical hydrogen production",
    L. Weinhardt, M. Blum, M. Bär, C. Heske, B. Cole, B. Marsen, and E.L. Miller,
    J. Phys. Chem. C 112, 3078-3082 (2008). (DOI:10.1021/jp7100286)

  81.    "A liquid flow cell to study the electronic structure of liquids with soft x-rays”,
    Oliver Fuchs, Florian Maier, Lothar Weinhardt, Markus Weigand, Monika Blum, Michael Zharnikov, Jonathan Denlinger, Michael Grunze, Clemens Heske, and Eberhard Umbach,
    Nuclear Instruments and Methods A 585, 172-177 (2008). (DOI:10.1016/j.nima.2007.10.029)

  82.    "Isotope and temperature effects in liquid water probed by x-ray absorption and resonant x-ray emission spectroscopy",
    O. Fuchs, M. Zharnikov, L. Weinhardt, M. Blum, M. Weigand, Y. Zubavichus, M. Bär, F. Maier, W. Yang, J. D. Denlinger, C. Heske, M. Grunze, and E. Umbach,
    Phys. Rev. Lett. 100, 027801 (2008). (4 pages) (DOI:10.1103/PhysRevLett.100.027801)

  83.    "Angle-resolved photoemission on ZnSe(001): determination of conduction band quasiparticle shifts“,
    A. Fleszar, W. Hanke, W. Weigand, C. Kumpf, C. Heske, E. Umbach, L. Plucinski, and R. L. Johnson,
    Phys. Stat. Sol. C 4, 3204-3209 (2007). (DOI:10.1002/pssc.200775422)

  84.    "Resonant inelastic soft x-ray scattering, x-ray absorption spectroscopy, and density functional theory calculations of the electronic bulk band structure of CdS”,
    L. Weinhardt, O. Fuchs, E. Umbach, C. Heske, A. Fleszar, and W. Hanke,
    Phys. Rev. B 75, 165207 (2007). (8 pages) (DOI:10.1103/PhysRevB.75.165207)

  85.    "Chemical properties of the Cu(In,Ga)Se2/Mo/glass interfaces in thin film solar cells",
    L. Weinhardt, M. Blum, M. Bär, C. Heske, O. Fuchs, E. Umbach, J.D. Denlinger, K. Ramanathan, and R. Noufi,
    Thin Solid Films 515, 6119-6122 (2007). (DOI:10.1016/j.tsf.2006.12.109)

  86.    "The Electronic Structure of the [Zn(S,O)/ZnS]/CuInS2 Heterointerface – Impact of Post-Annealing",
    M. Bär, A. Ennaoui, J. Klaer, R. Sáez-Araoz, T. Kropp, H.-W. Schock, Ch.-H. Fischer, M.C. Lux-Steiner, L. Weinhardt, and C. Heske,
    Chem. Phys. Lett. 433, 71-74 (2006). (DOI:10.1016/j.cplett.2006.11.022)

  87.    "Chemical insights into the Cd2+/NH3- treatment – an approach to explain the formation of Cd-compounds on Cu(In,Ga)(S,Se)2 absorbers",
    M. Bär, L. Weinhardt, C. Heske, H.-J. Muffler, E. Umbach, M.Ch. Lux-Steiner, Th. P. Niesen, F. Karg, and Ch.-H. Fischer,
    Solar Energy Materials and Solar Cells 90, 3151-3157 (2006). (DOI:10.1016/j.solmat.2006.06.035)

  88.    "Oxygen K-edge x-ray absorption fine structure studies of vacuum-deposited ice films",
    Y. Zubavichus, M. Zharnikov, Y.-J. Yang, O. Fuchs, E. Umbach, C. Heske, and M. Grunze,
    Langmuir 22, 7241-7247 (2006). (DOI:10.1021/la060379o)

  89.    "Surface modifications of Cu(In,Ga)S2 thin film solar cell absorbers by KCN and H2O2/H2SO4 treatments",
    L. Weinhardt, O. Fuchs, D. Groß, E. Umbach, C. Heske, N.G. Dhere, A.A. Kadam, and S.S. Kulkarni,
    J. Appl. Phys. 100, 024907 (2006). (DOI:10.1063/1.2216367)

  90.    "Resonant inelastic soft x-ray scattering of Be chalcogenides",
    D. Eich, O. Fuchs, U. Groh, L. Weinhardt, R. Fink, E. Umbach, C. Heske, A. Fleszar, W. Hanke, E.K.U. Gross, C. Bostedt, L.J. Terminello, M. Keim, G. Reuscher, H. Lugauer, and A. Waag,
    Phys. Rev. B 73, 115212 (2006). (DOI:10.1103/PhysRevB.73.115212)

  91.    "Spectroscopic investigation of the deeply buried Cu(In,Ga)(S,Se)2/Mo interface in thin film solar cells",
    L. Weinhardt, O. Fuchs, A. Peter, E. Umbach, C. Heske, J. Reichardt, M. Bär, I. Lauermann, I. Kötschau, A. Grimm, A. Sokoll, M.Ch. Lux-Steiner, Ch. Jung, W. Gudat, T. P. Niesen, and F. Karg,
    J. Chem. Phys. 124, 074705 (2006). (DOI:10.1063/1.2168443)

  92.    "Spectroscopic analysis of CIGS2/CdS thin film solar cell heterojunctions on stainless steel foil",
    N.G. Dhere, A.A. Kadam, A.H. Jahagirdar, S.S. Kulkarni, L. Weinhardt, D. Groß, C. Heske, and E. Umbach,
    Journal of Physics and Chemistry of Solids 66, 1872 (2005). (DOI:10.1016/j.jpcs.2005.09.008)

  93.    "Structure determination of nanoparticles: Direct modelling of synchrotron radiation diffraction data",
    C. Kumpf, R. Neder, F. Niederdraenk, P. Luczak, A. Stahl, M. Scheuermann, S.K. Kulkarni, C. Barglik-Chory, C. Heske, and E. Umbach,
    J. Chem. Phys. 123, 224707 (2005). (DOI:10.1063/1.2129369)

  94.    "Cd2+/NH3 Treatment of Cu(In,Ga)(S,Se)2 thin film solar cell absorbers – a model for the performance-enhancing processes in the partial electrolyte",
    M. Bär, L. Weinhardt, C. Heske, H.-J. Muffler, M. Ch. Lux-Steiner, E. Umbach, and Ch.-H. Fischer,
    Prog. Photovolt. 13, 571-577 (2005). (DOI:10.1002/pip.618)

  95.    "Zn(O,OH) layers in chalcopyrite thin film solar cells: Valence band maximum vs. composition",
    M. Bär, J. Reichardt, A. Grimm, I. Kötschau, I. Lauermann, K. Rahne, S. Sokoll, M.C. Lux-Steiner, Ch.-H. Fischer, L. Weinhardt, E. Umbach, C. Heske, Ch. Jung, T.P. Niesen, and S. Visbeck,
    J. Appl. Phys. 98, 053702 (2005). (DOI:10.1063/1.2034650)

  96.    "Two-fold symmetry in the surface electronic structure of ZnSe(001)-c(2×2): theory and experiment",
    L. Plucinski, W. Weigand, C. Kumpf, C. Heske, R. Kosuch, T. Schallenberg, E. Umbach, L.W. Molenkamp, R.L. Johnson,
    Surface Science 585, 95 (2005). (DOI:10.1016/j.susc.2005.04.017)

  97.    "Ultra-fast Dynamics in Water probed by X-ray Emission Spectroscopy",
    M. Odelius, H. Ogasawara, D. Nordlund, O. Fuchs, L. Weinhardt, F. Maier, E. Umbach, C. Heske, Y. Zubavichus, M. Grunze, J.D. Denlinger, L.G.M. Pettersson, and A. Nilsson,
    Phys. Rev. Lett. 94, 227401 (2005). (DOI:10.1103/PhysRevLett.94.227401)

  98.    "Cd2+/NH3 Treatment Induced Formation of a CdSe Surface Layer on CuGaSe2 Thin Film Solar Cell Absorbers",
    M. Bär, S. Lehmann, M. Rusu, A. Grimm, I. Kötschau, I. Lauermann, P. Pistor, S. Sokoll, Th. Schedel-Niedrig, M.C. Lux-Steiner, Ch.-H. Fischer, L. Weinhardt, C. Heske, and Ch. Jung,
    Appl. Phys. Lett. 86, 222107 (2005). (DOI:10.1063/1.1942638)

  99.    "Inducing and monitoring photoelectrochemical reactions at surfaces and buried interfaces in Cu(In,Ga)(S,Se)2 thin film solar cells",
    J. Reichardt, M. Bär, A. Grimm, I. Kötschau, I. Lauermann, S. Sokoll, M. C. Lux-Steiner, Ch.-H. Fischer, C. Heske, L. Weinhardt,O. Fuchs, Ch. Jung, W. Gudat, and F. Karg,
    Appl. Phys. Lett. 86, 172102 (2005). (DOI:10.1063/1.1906309)

  100.    "Band alignment at the CdS/Cu(In,Ga)S2 interface in thin film solar cells",
    L. Weinhardt, O. Fuchs, D. Groß, G. Storch, E. Umbach, N.G. Dhere, A.A. Kadam, S.S. Kulkarni, and C. Heske,
    Appl. Phys. Lett. 86, 062109 (2005). (DOI:10.1063/1.1861958)

  101.    "Surface chemistry of ultrathin films of histidine on gold as probed by high-resolution synchrotron photoemission",
    Y. Zubavichus, M. Zharnikov, Y. Yang, O. Fuchs, C. Heske, E. Umbach, G. Tzvetkov, F.P. Netzer, and M. Grunze,
    J. Phys. Chem. B 109, 884 (2005). (DOI:10.1021/jp047626m)

  102.    "X-ray Photoelectron Spectroscopy and Near-Edge X-ray Absorption Fine Structure Study of Water Adsorption on Pyridine-Terminated Thiolate Self-Assembled Monolayers",
    Y. Zubavichus, M. Zharnikov, Y. Yang, O. Fuchs, E. Umbach, C. Heske, A. Ulman, and M. Grunze,
    Langmuir 20, 11022 (2004). (DOI:10.1021/la047980b)

  103.    "Bonding and structure of glycine on ordered Al2O3 surfaces"
    G. Tzvetkov, G. Koller, Y. Zubavichus, O. Fuchs, M. B. Casu, C. Heske, E. Umbach, M. Grunze, M. G. Ramsey, and F. P. Netzer,
    Langmuir 20, 10551 (2004). (DOI:10.1021/la048726m)

  104.    "Valence band electronic structure of ZnSe(001) thin films: Theory and Experiment",
    L. Plucinski, R.L. Johnson, A. Fleszar, W. Hanke, W. Weigand, C. Kumpf, C. Heske, E. Umbach, T. Schallenberg, and L.W. Molenkamp,
    Phys. Rev. B 70, 125308 (2004). (DOI:10.1103/PhysRevB.70.125308)

  105.    "Ethylene on Cu(110) and Ni(110): Electronic structure and bonding derived from x-ray spectroscopy and theory",
    H. Öström, A. Föhlisch, M. Nyberg, M. Weinelt, C. Heske, L.G.M. Pettersson, and A. Nilsson,
    Surf. Sci. 559, 85 (2004). (DOI:10.1016/j.susc.2004.04.041)

  106.    "Soft X-ray induced decomposition of phenylalanine and tyrosine: a comparative study",
    Y. Zubavichus, M. Zharnikov, A. Shaporenko, O. Fuchs, L. Weinhardt, C. Heske, E. Umbach, J.D. Denlinger, and M. Grunze
    J. Phys. Chem. A 108, 4557 (2004). (DOI:10.1021/jp049376f)

  107.    "Strong quantum-confinement effects in the conduction band of germanium nanocrystals",
    C. Bostedt, T. van Buuren, T.M. Willey, N. Franco, L.J. Terminello, C. Heske, and T. Möller,
    Appl. Phys. Lett. 84, 4056 (2004). (DOI:10.1063/1.1751616) Selected for the Virtual Journal of Nanoscale Science & Technology 9(19), 2004.

  108.    "Band alignment at the i-ZnO/CdS interface in Cu(In,Ga)(S,Se)2 thin film solar cells",
    L. Weinhardt, C. Heske, E. Umbach, T.P. Niesen, S. Visbeck, and F. Karg,
    Appl. Phys. Lett. 84, 3175 (2004). (DOI:10.1063/1.1704877)

  109.    "Local structure of amorphous ice as revealed by O K-edge EXAFS”,
    Y. Zubavichus, Y. Yang, M. Zharnikov, M. Grunze, O. Fuchs, T. Schmidt, C. Heske, E. Umbach, G. Tzvetkov, and F. Netzer,
    ChemPhysChem 5, 509 (2004). (DOI:10.1002/cphc.200300842)

  110.    "Spectroscopic investigation of buried interfaces and liquids with soft x-rays",
    C. Heske,
    Appl. Phys. A 78, 829 (2004). (DOI:10.1007/s00339-003-2438-4)

  111.    "Soft X-ray induced decomposition of amino acids: a time-resolved XPS, mass-spectrometry, and NEXAFS study”,
    Y. Zubavichus, M. Grunze, O. Fuchs, L. Weinhardt, C. Heske, E. Umbach, and J. D. Denlinger,
    Radiat. Res. 161, 346 (2004).(DOI:10.1667/RR3114.1)

  112.    "The valence electronic structure of zinc oxide powders as determined by X-ray emission spectroscopy: variation of electronic structure with particle size",
    T. Strunskus, O. Fuchs, L. Weinhardt, C. Heske, M. Guraya, M. Muhler, V. Staemmler, and Ch. Wöll,
    J. Electron Spectrosc. Rel. Phenom. 134, 183 (2004). (DOI:10.1016/j.elspec.2003.10.003)

  113.    "Synthesis, structure, and spectroscopic characterization of water-soluble CdS nanoparticles",
    Ch. Barglik-Chory, D. Buchold, M. Schmitt, W. Kiefer, C. Heske, C. Kumpf, O. Fuchs, L. Weinhardt, A. Stahl, E. Umbach, M. Lentze, J. Geurts, and G. Müller,
    Chem. Phys. Lett. 379, 443 (2003). (DOI:10.1016/j.cplett.2003.08.068)

  114.    "Analysis of zinc compound buffer layers in Cu(In,Ga)(S,Se)2 thin film solar cells by synchrotron-based soft X-ray spectroscopy"
    I. Lauermann, M. Bär, A. Ennaoui, U. Fiedeler, C.-H. Fischer, A. Grimm, I. M. Kötschau, M. C. Lux-Steiner, J. Reichardt, B. R. Sankapal, S. Siebentritt, S. Sokoll, L. Weinhardt, O. Fuchs, C. Heske, C. Jung, W. Gudat, F. Karg, and T. P. Niesen,
    Mat. Res. Soc. Symp. Proc. Vol. 763, ISBN 1-55899-700-8, p. 610-613 (2003). (DOI:10.1557/PROC-763-B4.5)

  115.    "Growth of H2O layers on an ultra-thin Al2O3 film: from monomeric species to ice",
    G. Tzvetkov, Y. Zubavichus, G. Koller, Th. Schmidt, C. Heske, E. Umbach, M. Grunze, M. G. Ramsey, and F. P. Netzer,
    Surf. Science 543, 131 (2003). (DOI:10.1016/S0039-6028(03)01029-X)

  116.    "Surface and bulk properties of CuGaSe2 thin films“,
    A. Meeder, L. Weinhardt, R. Stresing, D. Fuertes Marrón, R. Würz, S.M. Babu, T. Schedel-Niedrig, M.Ch. Lux-Steiner, C. Heske, and E. Umbach,
    J. of Phys. and Chem. of Solids 64, 1553 (2003). (DOI:10.1016/S0022-3697(03)00075-1)

  117.    "Monitoring chemical reactions on surfaces in liquids: water on CuIn(S,Se)2 thin film solar cell absorbers",
    C. Heske, U. Groh, O. Fuchs, L. Weinhardt, E. Umbach, Th. Schedel-Niedrig, Ch.-H. Fischer, M.Ch. Lux-Steiner, S. Zweigart, F. Karg, J.D. Denlinger, B. Rude, C. Andrus, and F. Powell,
    J. Chem. Phys. (Comm.) 119, 10467 (2003). (DOI:10.1063/1.1627328)

  118.    "Experimental and theoretical electronic structure determination for PtSi",
    N. Franco, J.E. Klepeis, C. Bostedt, T. van Buuren, C. Heske, O. Pankratov, T.A. Callcott, D.L. Ederer, and L.J. Terminello,
    Phys. Rev. B 68, 045116 (2003). (DOI:10.1103/PhysRevB.68.045116)

  119.    "Studying the local chemical environment of sulfur atoms at buried interfaces in CdS/ZnSe superlattices",
    C. Heske, U. Groh, O. Fuchs, L. Weinhardt, E. Umbach, M. Grün, S. Petillon, A. Dinger, C. Klingshirn, W. Szuszkiewicz, and A. Fleszar,
    Appl. Phys. Lett. 83, 2360 (2003). (DOI:10.1063/1.1609235)

  120.    "Formation of the ZnSe/(Te/)GaAs(100) Heterojunction",
    Th. Gleim, C. Heske, E. Umbach, C. Schumacher, S. Gundel, W. Faschinger, A. Fleszar, Ch. Ammon, M. Probst, and H.-P. Steinrück,
    Surf. Science 531, 77 (2003). (DOI:10.1016/S0039-6028(03)00439-4)

  121.    "The influence of As-passivation on the electronic level alignment at BeTe/Si(111)-interfaces“,
    Th. Gleim, L. Weinhardt, Th. Schmidt, R. Fink, C. Heske, E. Umbach, L. Hansen, G. Landwehr, A. Waag, A. Fleszar, B. Richter, Ch. Ammon, M. Probst, and H.-P. Steinrück,
    Phys. Rev. B 67, 205315 (2003). (DOI:10.1103/PhysRevB.67.205315)

  122.    "Impact of Cd2+-treatment on the band alignment at the ILGAR-ZnO/CuIn(S,Se)2 heterojunction”,
    L. Weinhardt, M. Bär, H.-J. Muffler, Ch.-H. Fischer, M.C. Lux-Steiner, T.P. Niesen, F. Karg, Th. Gleim, C. Heske, and E. Umbach,
    Thin Solid Films 431-432, 272 (2003). (DOI:10.1016/S0040-6090(03)00270-0)

  123.    "Enhancement of photoluminescence in manganese doped ZnS nanoparticles due to a silica shell”,
    A.S. Ethiraj, N. Hebalkar, S.K. Kulkarni, R. Pasricha, J. Urban, C. Dem, M. Schmitt, W. Kiefer, L. Weinhardt, S. Joshi, R. Fink,C. Heske, C. Kumpf, and E. Umbach,
    J. Chem. Phys. 118, 8945 (2003). Selected for the Virtual Journal of Nanoscale Science & Technology 7(19), 2003. (DOI:10.1063/1.1566932)

  124.    "Temperature-dependent morphology and structure of ordered 3,4,9,10-perylene-tetracarboxylic-dianhydride (PTCDA) thin films on Ag(111)",
    L. Chkoda, M. Schneider, V. Shklover, L. Kilian, C. Heske, E. Umbach, and M. Sokolowski,
    Chem. Phys. Lett. 371, 548 (2003). (DOI:10.1016/S0009-2614(03)00297-5)

  125.    "CdS and Cd(OH)2 formation during Cd-treatments of Cu(In,Ga)(S,Se)2 thin film solar cell absorbers",
    L. Weinhardt, Th. Gleim, O. Fuchs, C. Heske, E. Umbach, M. Bär, H.-J. Muffler, Ch.-H. Fischer, M.C. Lux-Steiner, Y. Zubavichus, T.P. Niesen, and F. Karg,
    Appl. Phys. Lett. 82, 571 (2003). (DOI:10.1063/1.1539553)

  126.    "Damp-heat induced sulfate formation in Cu(In,Ga)(S,Se)2- based thin film solar cells”,
    C. Heske, U. Groh, L. Weinhardt, O. Fuchs, B. Holder, E. Umbach, C. Bostedt, L.J. Terminello, S. Zweigart, T.P. Niesen, and F. Karg,
    Appl. Phys. Lett. 81, 4550 (2002). (DOI:10.1063/1.1525884)

  127.    "Energy level alignment at zincblende Cd(Mn)Se/ZnTe/InAs(100) interfaces“,
    Th. Gleim, L. Weinhardt, Th. Schmidt, R. Fink, C. Heske, E. Umbach, P. Grabs, G. Schmidt, L.W. Molenkamp, B. Richter, A. Fleszar, and H.-P. Steinrück,
    Appl. Phys. Lett. 81, 3813 (2002). (DOI:10.1063/1.1519964)

  128.    "Spectroscopic probing of local hydrogen bonding structures in liquid water",
    S. Myneni, Y. Luo, L.A. Näslund, M. Cavalleri, L. Ojamäe, H. Ogasawara, A. Pelmenschikov, Ph. Wernet, P. Väterlein, C. Heske, Z. Hussain, L.G.M. Pettersson, and A. Nilsson,
    J. Phys. Condensed Matter 14, L213 (2002). (DOI:10.1088/0953-8984/14/8/106)

  129.    "Flat conduction band alignment at the CdS/CuInSe2 thin film solar cell heterojunction",
    M. Morkel, L. Weinhardt, B. Lohmüller, C. Heske, E. Umbach, W. Riedl, S. Zweigart, and F. Karg,
    Appl. Phys. Lett. 79, 4482 (2001). (DOI:10.1063/1.1428408)

  130.    "X-ray Emission Spectroscopy of Cu(In,Ga)(S,Se)2 -Based thin film solar cells: electronic structure, surface oxidation, and buried interfaces",
    C. Heske, U. Groh, O. Fuchs, E. Umbach, N. Franco, C. Bostedt, L.J. Terminello, R.C.C. Perera, K.H. Hallmeier, A. Preobrajenski, R. Szargan, S. Zweigart, W. Riedl, and F. Karg,
    phys.stat.sol. (a) 187, 13 (2001). (DOI:10.1002/1521-396X(200109)187:1<13::AID-PSSA13>3.0.CO;2-D)

  131.    "Interchannel coupling in the photoionization of the M shell of Kr well above threshold: Experiment and theory",
    H.S. Chakraborty, D.L. Hansen, O. Hemmers, P.C. Deshmukh, P. Focke, I.A. Sellin, C. Heske, D.W. Lindle, and S.T. Manson,
    Phys. Rev. A 63, 042708 (2001). (DOI:10.1103/PhysRevA.63.042708)

  132.    "Reduction of the ZnSe/GaAs(100) Valence Band Offset by a Te Interlayer",
    Th. Gleim, C. Heske, E. Umbach, C. Schumacher, W. Faschinger, Ch. Ammon, M. Probst, and H.-P. Steinrück,
    Appl. Phys. Lett. 78, 1867 (2001). (DOI:10.1063/1.1358366)

  133.    "Valence band study of PtSi by synchrotron radiation photoelectron spectroscopy",
    N. Franco, J.E. Klepeis, C. Bostedt, T. Van Buuren, C. Heske, O. Pankratov, and L.J. Terminello,
    J. Electron. Spec. Rel. Phenom. 114-116, 1191 (2001). (DOI:10.1016/S0368-2048(00)00431-X)

  134.    "Electronic Structure of the energetic material 1,3,5-triamino-2,4,6-trinitrobenzene",
    S. Kakar, A.J. Nelson, R. Treusch, C. Heske, T. van Buuren, I. Jimenez, P. Pagoria, and L.J. Terminello,
    Phys. Rev. B 62, 15666 (2000). (DOI:10.1103/PhysRevB.62.15666)

  135.    "Improved band alignment for hole injection by an interfacial layer: TPD on PTCDA on ITO",
    L. Chkoda, C. Heske, M. Sokolowski, and E. Umbach,
    Appl. Phys. Lett. 77, 1093 (2000). (DOI:10.1063/1.1289804)

  136.    "Observation of Multi-Atom Resonant Photoemission via Secondary Processes: Auger Decay and X-ray Fluorescence",
    E. Arenholz, A.W. Kay, C.S. Fadley, M.M. Grush, T.A. Callcott, D.L. Ederer, C. Heske, and Z. Hussain,
    Phys. Rev. B 61, 7183 (2000). (DOI:10.1103/PhysRevB.61.7183)

  137.    "X-ray Emission Spectroscopy of NO Adsorbates on Ru(001)",
    M. Stichler, C. Keller, C. Heske, M. Staufer, U. Birkenheuer, N. Rösch, W. Wurth, and D. Menzel,
    Surf. Science 448, 164 (2000). (DOI:10.1016/S0039-6028(99)01232-7)

  138.    "Semiquantitative and non-destructive analysis of impurities at a buried interface: Na and the CdS/Cu(In,Ga)Se2 heterojunction",
    C. Heske, D. Eich, U. Groh, R. Fink, E. Umbach, T. van Buuren, C. Bostedt, N. Franco, L.J. Terminello, M.M. Grush, T.A. Callcott, F.J. Himpsel, D.L. Ederer, R.C.C. Perera, W. Riedl, and F. Karg,
    Surf. Interface Anal. 30, 459 (2000). (DOI:10.1002/1096-9918(200008)30:1<459::AID-SIA757>3.0.CO;2-L)

  139.    "Work Function of ITO Substrates and Band-Offsets at the TPD/ITO Interface determined by Photoelectron Spectroscopy",
    L. Chkoda, C. Heske, M. Sokolowski, E. Umbach, F. Steuber, J. Staudigel, M. Stössel, and J. Simmerer,
    Synthetic Metals 111-112, 315 (2000). (DOI:10.1016/S0379-6779(99)00355-0)

  140.    "Lateral Inhomogeneities of Cu(In,Ga)Se2 Absorber Films",
    D. Eich, U. Herber, U. Groh, U. Stahl, C. Heske, M. Marsi, M. Kiskinova, W. Riedl, R. Fink, and E. Umbach,
    Thin Solid Films 361-362, 258 (2000). (DOI:10.1016/S0040-6090(99)00784-1)

  141.    "Self-Limitation of Na content at the CdS/Cu(In,Ga)Se2 solar cell heterojunction",
    C. Heske, D. Eich, U. Groh, R. Fink, E. Umbach, T. van Buuren, C. Bostedt, N. Franco, L.J. Terminello, M.M. Grush, T.A. Callcott, F.J. Himpsel, D.L. Ederer, R.C.C. Perera, W. Riedl, and F. Karg,
    Thin Solid Films 361-362, 360 (2000). (DOI:10.1016/S0040-6090(99)00769-5)

  142.    "Franck-Condon Breakdown in Core-Level Photoelectron Spectroscopy of Chemisorbed CO",
    A. Föhlisch, J. Hasselström, O. Karis, P. Väterlein, N. Martensson, A. Nilsson, C. Heske, M. Stichler, C. Keller, W. Wurth, and D. Menzel,
    Chem. Phys. Lett. 315, 194 (1999). (DOI:10.1016/S0009-2614(99)01194-X)

  143.    "Validity of the independent-particle approximation in x-ray photoemission: The exception, not the rule",
    D.L. Hansen, O. Hemmers, H. Wang, D.W.Lindle, P.Focke, I.A. Sellin, C. Heske, H.S. Chakraborty, P.C. Deshmukh, and S.T. Manson,
    Phys. Rev. A 60, R2641 (1999). (DOI:10.1103/PhysRevA.60.R2641)

  144.    "High Resolution Soft X-Ray Emission Spectra of Crystalline Carbon Nitride Films Deposited by Electron Cyclotron Resonance Sputtering",
    Y. Muramatsu, Y. Tani, Y. Aoi, E. Kamijo, T. Kaneyoshi, M. Motoyama, J.J. Delaunay, T. Hayashi, M.M. Grush, T.A. Callcott, D.L. Ederer, C. Heske, J.H., anderwood, and R.C.C. Perera,
    Jpn. J. Appl. Phys. 38, 5143 (1999). (DOI:10.1143/JJAP.38.5143)

  145.    "Localization of Na impurities at the buried CdS/Cu(In,Ga)Se2 heterojunction",
    C. Heske, D. Eich, R. Fink, E. Umbach, S. Kakar, T. van Buuren, C. Bostedt, L.J. Terminello, M.M. Grush, T.A. Callcott, F.J. Himpsel, D.L. Ederer, R.C.C. Perera, W. Riedl, and F. Karg,
    Appl. Phys. Lett. 75, 2082 (1999). (DOI:10.1063/1.124923)

  146.    "X-Ray Photoemission and Photoabsorption of Organic Electroluminescent Materials",
    R. Treusch, F.J. Himpsel, S. Kakar, L.J. Terminello, C. Heske, T. van Buuren, V.V. Dinh, H.W. Lee, K. Pakbaz, G. Fox, and I. Jimenez,
    J. Appl. Phys. 86, 88 (1999). (DOI:10.1063/1.370703)

  147.    "Observation of intermixing at the buried CdS/Cu(In,Ga)Se2 thin film solar cell heterojunction",
    C. Heske, D. Eich, R. Fink, E. Umbach, T. van Buuren, C. Bostedt, L.J. Terminello, S. Kakar, M.M. Grush, T.A. Callcott, F.J. Himpsel, D.L. Ederer, R.C.C. Perera, W. Riedl, and F. Karg,
    Appl. Phys. Lett. 74, 1451 (1999). (DOI:10.1063/1.123578)

  148.    "Band widening in Graphite",
    C. Heske, R. Treusch, F.J. Himpsel, S. Kakar, L.J. Terminello, H.J. Weyer, and E.L. Shirley,
    Phys. Rev. B 59, 4680 (1999). (DOI:10.1103/PhysRevB.59.4680)

  149.    "Bulk and surface characterization of a dewetting thin film polymer blend",
    H. Ade, D.A. Winesett, A.P. Smith, S. Anders, T. Stammler, C. Heske, D. Slep, M.H. Rafailovich, J. Sokolov, and J. Stöhr,
    Appl. Phys. Lett. 73, 3775 (1998). (DOI:10.1063/1.122891)

  150.    "Atom-resolved electronic spectra for Alq3 from theory and experiment", A. Curioni, W. Andreoni, R. Treusch, F.J. Himpsel, E. Haskal, P. Seidler, C. Heske, S. Kakar, T. van Buuren, and L.J. Terminello,
    Appl. Phys. Lett. 72, 1575 (1998). (DOI:10.1063/1.121119)

  151.    "Formation of the Zn/CdTe(100) interface: interdiffusion, segregation, and Cd-Zn exchange studied by photoemission",
    C. Heske, U. Winkler, D. Eich, R. Fink, E. Umbach, Ch. Jung, and P.R. Bressler,
    Phys. Rev. B. 56, 13335 (1997). (DOI:10.1103/PhysRevB.56.13335)

  152.    "Influence of Na and H2O on the surface properties of Cu(In,Ga)Se2 thin films",
    C. Heske, G. Richter, Zhonghui Chen, R. Fink, E. Umbach, W. Riedl, and F. Karg,
    J. Appl. Phys. 82, 2411 (1997). (DOI:10.1063/1.366096)

  153.    "Segregation and interdiffusion effects during the formation of the Mn/CdZnTe(100) interface",
    C. Heske, U. Winkler, R. Fink, E. Umbach, Ch. Jung, and P.R. Bressler,
    Phys. Rev. B 56, 2085 (1997). (DOI:10.1103/PhysRevB.56.2085)

  154.    "Surface core-level shifts of the polar semiconductor Cd(Zn)Te(100)",
    C. Heske, U. Winkler, G. Held, R. Fink, E. Umbach, Ch. Jung, P.R. Bressler, and Ch. Hellwig,
    Phys. Rev. B 56, 2070 (1997). (DOI:10.1103/PhysRevB.56.2070)

  155.    "Preparation and termination of well-defined CdTe(100) and Cd(Zn)Te(100) surfaces",
    C. Heske, U. Winkler, H. Neureiter, M. Sokolowski, R. Fink, E. Umbach, Ch. Jung, and P.R. Bressler,
    Appl. Phys. Lett. 70, 1022 (1997). (DOI:10.1063/1.118432)

  156.    "NEXAFS Investigations on Highly-Ordered Ultrathin Films of DMe-DCNQI on Single Crystal Surfaces",
    M. Bäßler, R. Fink, Chr. Buchberger, D. Gador, C. Heske, J. Müller, P. Väterlein, J.U. von Schütz, and E. Umbach,
    J. Phys. IV France 7, C2-531 (1997). (DOI:10.1051/jp4/1997085)

  157.    "Na-induced effects on the electronic structure and composition of Cu(In,Ga)Se2 thin film surfaces",
    C. Heske, R. Fink, E. Umbach, W. Riedl, and F. Karg,
    Appl. Phys. Lett. 68, 3431 (1996). (DOI:10.1063/1.115783)

  158.    "Growth characteristics of sputter-deposited UPt3 thin films",
    M. Huth, S. Reber, C. Heske, P. Schicketanz, J. Hessert, P. Gegenwart, and H. Adrian,
    Journal of Physics: Condensed Matter 8, 8777 (1996). (DOI:10.1088/0953-8984/8/45/013)

  159.    "Surface termination and Ag-segregation at CdTe(100) surfaces studied by photoemission surface core-level shifts",
    C. Heske, U. Winkler, Ch. Jung, P.R. Bressler, R. Fink, and E. Umbach,
    The Physics of Semiconductors, M. Scheffler and R. Zimmermann (eds.), World Scientific, Singapore, p. 823 (1996).

  160.    "Electronic and compositional effects of Na deposition on Cu(In,Ga)Se2 thin film surfaces",
    C. Heske, R. Fink, E. Umbach, W. Riedl, and F. Karg,
    Cryst. Res. Technol. 31, 465 (1996).

  161.    "Surface Preparation Effects of polycrystalline Cu(In,Ga)Se2 thin films studied by XPS and UPS",
    C. Heske, R. Fink, E. Umbach, W. Riedl, and F. Karg,
    Cryst. Res. Technol. 31, 919 (1996).

  162.    "NEXAFS-investigations of highly-ordered ultrathin films of DMe-DCNQI on Ag(111)",
    M. Bäßler, R. Fink, C. Heske, J. Müller, P. Väterlein, J.U. von Schütz, and E. Umbach,
    Thin Solid Films 284/285, 234 (1996). (DOI:10.1016/S0040-6090(95)08312-X)

  163.    "UPd2Al3 heavy fermion superconducting films",
    M. Huth, A. Kaldowski, J. Hessert, C. Heske, and H. Adrian,
    Physica B 199/200, 116 (1994). (DOI:10.1016/0921-4526(94)91753-1)

B. Other Publications (Conference Proceedings, Annual Reports, etc.):


  1.     Microcrystalline silicon oxides for silicon-based solar cells: Impact of the O/Si ratio on the electronic structure”,
    M. Bär, D.E. Starr, A. Lambertz, B. Holländer, J.-H. Alsmeier, L. Weinhardt, M. Blum, M. Gorgoi, W. Yang, R.G. Wilks, and C. HeskeThin Films for Solar and Energy Technology VI, edited by Louay A. Eldada, Michael J. Heben, Proc. of SPIE Vol. 9177, p. 91770E (3 pages).

  2.     “The heavily intermixed In2S3/Cu(In,Ga)Se2 interface as revealed by photo- and x-ray emission spectroscopy”,
    M. Bär, N. Barreau, F. Couzinié-Devy, R. Félix, J. Klaer, S. Pookpanratana, M. Blum, Y. Zhang, J.D. Denlinger, W. Yang, R.G. Wilks, L. Weinhardt, H.-W. Schock, J. Kessler, and C. Heske,
    Proc. 39th IEEE PVSC, Tampa, FL, June 16-21, 2013, pp. 0857-0862.

  3.     “Status of the development of superconducting undulators at ANKA”,
    S. Casalbuoni, T. Baumbach, S. Gerstl, A. Grau, M. Hagelstein, C. Heske, T. Holubek, D. Saez de Jauregui, C. Boffo, and W. Walter,
    Proceedings 11th International Conference on Synchrotron Radiation Instrumentation (SRI 2012), Lyon, France, July 9-13, 2012.

  4.     “Chemical Surface and Interface Properties of Differently Stressed (Au/Cu/)CdTe/CdS Thin-film Solar Cell Structures”,
    K. Horsley, R.G. Wilks, D. Hanks, S. Pookpanratana, M. Blum, W. Yang, N. Paudel, A. Compaan, M. Bär, L. Weinhardt, and C. Heske,
    Proceedings 38th IEEE PVSC, Austin, TX, June 3-8, 2012, p. 400-405.

  5.     “Photoemission Study of CdTe Surfaces After Low-Energy Ion Treatments”,
    D. Hanks, M. Weir, K. Horsley, T. Hofmann, L. Weinhardt, M. Bär, K. Barricklow, P. Kobyakov, W. Sampath, and C. Heske,
    Proceedings 38th IEEE PVSC, Austin, TX, June 3-8, 2012, p. 396-399.

  6.     “X-ray Spectroscopic Analysis of the Growth of CBD-CdS Buffers on flexible Cu(In,Ga)Se2 Thin-Film Solar Cell Structures”,
    R.G. Wilks, R. Caballero, X. Song, R. Félix, A. Benkert, D. Gerlach, L. Weinhardt, M. Blum, W. Yang, C.A. Kaufmann, C. Heske, H.-W. Schock, and M. Bär,
    Proceedings 38th IEEE PVSC, Austin, TX, June 3-8, 2012.

  7.     “Characterization of Vacuum Chamber Samples for Superconducting Insertion Devices”,
    D. Saez de Jauregui, T. Baumbach, S. Casalbuoni, A. Grau, S. Gerstl, M. Hagelstein, C. Heske, T. Holubek, B. Krause, A. Seiler, S. Stankov, L. Weinhardt, C. Boffo, C. Antoine, and Y. Boudigou,
    Proceedings 2012 IEEE International Particle Accelerator Conference (IPAC), New Orleans, May 21-25, 2012, p. 723-725.

  8.     “Recent Progress with Superconducting Undulators at ANKA”,
    S. Casalbuoni, T. Baumbach, S. Gerstl, A. Grau, M. Hagelstein, C. Heske, T. Holubek, D. Saez de Jauregui, C. Boffo, and W. Walter,
    Proceedings ICFA Workshop on Future Light Sources, Thomas Jefferson National Accelerator Facility, Newport News, VA, March 5-9, 2012.

  9.     “Electronic and Chemical Properties of Non-Vacuum deposited Chalcopyrite Solar Cells”,
    K. Horsley, S. Pookpanratana, S. Krause, T. Hofmann, M. Blum, L. Weinhardt, M. Bär, K. George, J. Van Duren, D. Jackrel, and C. Heske,
    Proceedings 37th IEEE PVSC, Seattle, WA, June 20-24, 2011.

  10.    “CdCl2 activation-induced chemical interaction at the CdTe/ZnO1-XSX thin-film solar cell interface”,
    M. Bär, J. Perrenoud, R.G. Wilks, S. Buecheler, L. Kranz, C. Fella, J. Skarp, M. Blum, W. Yang, L. Weinhardt, C. Heske, and A.N. Tiwari,
    Proceedings 37th IEEE PVSC, Seattle, WA, June 20-24, 2011.

  11.    “Identification of Impurity Phases in Cu2ZnSnS4 Thin-film Solar Cell Absorber Material by Soft X-ray Absorption Spectroscopy”,
    M. Bär, B.-A. Schubert, R.G. Wilks, B. Marsen, Y. Zhang, M. Blum, S. Krause, W. Yang, T. Unold, L. Weinhardt, C. Heske, and H.-W. Schock,
    Proceedings MRS Spring 2011, San Francisco, CA, April 25-29, 2011. Mater. Res. Soc. Symp. Proc., Vol. 1324, mrss11-1324-d15-19. (DOI:10.1557/opl.2011.842)

  12.    “Photon Science at the ALS for Sustainable Energy”,
    L. Tamura, M. Ahmed, S. Bailey, H. Bluhm, J. Guo, C. Heske, A. Hexemer, Z. Liu, A. MacDowell, M. Marcus, H. Padmore, B. Schoenlein, S. Teat, T. Tyliszczak, W. Yang, P. Adams, R. Falcone, and Z. Hussain,
    Synchrotron Radiation News 23:4, 8-15 (2010).

  13.    “Chemical structure of buried interfaces in CdTe thin film solar cells”,
    S. Pookpanratana, F. Khan, Y. Zhang, C. Heske, L. Weinhardt, M. Bär, X. Liu, N. Paudel, and A. Compaan,
    Proceedings 35th IEEE PVSC, Honolulu, HI, June 21-25, 2010, p. 24-27.

  14.    “Cu2ZnSnS4 thin-film solar cell absorber composition revealed by energy-dispersive and soft x-ray emission spectroscopy”,
    M. Bär, B. Schubert, B. Marsen, T. Unold, R.G. Wilks, H.-W. Schock, S. Pookpanratana, M. Blum, S. Krause, Y. Zhang,C. Heske, W. Yang, and L. Weinhardt,
    Proceedings 35th IEEE PVSC, Honolulu, HI, June 21-25, 2010, p. 646-649. ISBN: 978-1-4244-5892-9, DOI: 10.1109/PVSC.2010.5616878.

  15.     “ALS Users Meeting and Workshops”,
    S. Kanel, R. Schoenlein, J. Corlett, E. Arenholz, P. Fischer, D. Prendergast, Y. Idzerda, A. MacDowell, H. Bluhm, J. Guo, A. Braun, C. Heske, M. Kunz, and N. Tamura,
    Synchrotron Radiation News 23:1, 2-14 (2010).

  16.    “Spectroscopic Analysis of the Chemical Structure at the CdS/Cu(In,Ga)Se2 Interface in High-Efficiency Solar Cell Devices”,
    S. Pookpanratana, I. Repins, M. Bär, R. Félix, M. Blum, L. Weinhardt, W. Yang, J.D. Denlinger, M.A. Contreras, and C. Heske,
    Proceedings 34th IEEE PVSC, Philadelphia, PA, June 2009, p. 1060-1063.

  17.    “Migration and Oxidation of Sulfur at the Back Contact in CdTe Cells”,
    X. Liu, N.R. Paudel, A.D. Compaan, K. Sun, L. Weinhardt, M. Bär, S. Pookpanratana, C. Heske, O. Fuchs, W. Yang, and J.D. Denlinger,
    Proceedings 34th IEEE PVSC, Philadelphia, PA, June 2009, p. 2107-2110.

  18.    “Bimetallic Palladium-Base Metal Nanoparticle Oxygen Reduction Electrocatalysts”,
    X. Wang, N.N. Kariuki, S. Niyogi, M. Smith, D.J. Myers, T. Hofmann, Y. Zhang, M. Bär, and C. Heske,
    Proceedings of the Electrochemical Society (ECS), 2008 Fall Meeting, Honolulu, HI. ECS Transactions 16, 109-119 (2008).

  19.    “Isotope and Temperature Effects in Liquid Water”,
    O. Fuchs, M. Zharnikov, L. Weinhardt, M. Blum, M. Weigand, Y. Zubavichus, M. Bär, F. Maier, W. Yang, J. D. Denlinger,C. Heske, M. Grunze, and E. Umbach,
    Advanced Light Source Science Highlight, ALSNews vol. 291, 2008.

  20.    “Depth-dependent band gap energies in chalcopyrite thin film solar cell absorbers”,
    M. Bär, L. Weinhardt, S. Pookpanratana, C. Heske, S. Nishiwaki, W.N. Shafarman, O. Fuchs, M. Blum, W. Yang, and J.D. Denlinger,
    Proc. 33rd IEEE Photovoltaic Specialists Conference, San Diego (CA), USA, 11-16.5.2008, ISBN: 978-1-4244-1640-0, Digital Object Identifier: 10.1109/PVSC.2008.4922728.

  21.    "High-Efficiency X-ray Emission Spectrometer",
    O. Fuchs, L. Weinhardt, M. Blum, J.D. Denlinger, Yi-De Chuang, M. Bär, M. Weigand, R. Follath, W. McKinney, E. Gullikson, M. Jones, Ph. Batson, Z. Hussain, C. Heske, and E. Umbach,
    Facility Report, Scientific Support, Advanced Light Source Activity Report, LBNL-62841, July 2007.

  22.    "ALS UEC 2006 Review",
    C. Heske,
    Advanced Light Source Activity Report, LBNL-62841, July 2007.

  23.     "The mechanism of J-V “roll-over” in CdS/CdTe devices",
    J. Zhou, X. Wu, Y. Yan, S. Asher, J. L. F. Da Silva, Su-Huai Wei, L. Weinhardt, M. Bär, and C. Heske,
    ”Thin-Film Compound Semiconductor Photovoltaics – 2007”, Materials Research Society Symposium Proceedings, San Francisco, April 2007, Vol. 1012, p. 491-496.

  24.    "Soft X-ray Liquid-Flow Cell at Beamline 8.0.1.",
    Facility Report, Scientific Support, Advanced Light Source Activity Report, LBNL-55917, June 2006.

  25.    "Ultrafast Dynamics in Water",
    M. Odelius, D. Nordlund, L.G.M. Pettersson, H. Ogasawara, O. Fuchs, L. Weinhardt, F. Maier, E. Umbach, C. Heske, Y. Zubavichus, M. Grunze, J.D. Denlinger, and A. Nilsson,
    Science Highlight in the Advanced Light Source Activity Report, LBNL-55917, June 2006.

  26.    "Interface chemistry between the sputter-ZnxMg1-xO buffer and the Cu(In,Ga)(S,Se)2 absorber",
    Ch. Loreck, I. Lauermann, A. Grimm, R. Klenk, M. Bär, S. Lehmann, S. Sokoll, M. Ch. Lux-Steiner, F. Erfurt, L. Weinhardt, C. Heske, S. Visbeck, T. P. Niesen, Ch. Jung, and Ch.-H. Fischer,
    Proc. 21st European Photovoltaic Solar Energy Conference (EPSEC), Dresden, Germany, September 2006.

  27.    "Comparison of band alignments at various CdS/Cu(In,Ga)(S,Se)2 interfaces in thin film solar cells",
    L. Weinhardt, O. Fuchs, D. Groß, G. Storch, N.G. Dhere, A.A. Kadam, S.S. Kulkarni, C. Heske, and E. Umbach,
    Proceedings 4th World Conference on Photovoltaic Energy Conversion (WCPEC), Waikoloa, Hawaii, May 2006, p. 412-415.

  28.    "Chemical bath deposition of CdS thin films on CuInS2 and Si substrates – a comparative x-ray emission study",
    M. Bär, L. Weinhardt, O. Fuchs, J. Klaer, J. Peiser, H.-W. Schock, E. Umbach, and C. Heske,
    Proceedings 4th World Conference on Photovoltaic Energy Conversion (WCPEC), Waikoloa, Hawaii, May 2006, p. 416-419.

  29.    "XES of a liquid/solid interface through a 100 nm Si3N4window",
    I. Lauermann, A. Grimm, M. Bär, S. Lehmann, Ch. Loreck, H. Mönig, S. Sokoll, M. Ch. Lux-Steiner, C. Heske, Ch. Jung, and Ch.-H. Fischer,
    BESSY Annual Report 2005.

  30.    "- Treatment-Induced Formation of a CdSe Surface Compound on CuGaSe2 Thin Film Solar Cell Absorbers",
    M. Bär, S. Lehmann, L. Weinhardt, M. Rusu, A. Grimm, I. Kötschau, I. Lauermann, P. Pistor, S.Sokoll, Th. Schedel-Niedrig, M.C. Lux-Steiner, C. Heske, Ch. Jung, and Ch.-H. Fischer,
    BESSY Annual Report 2005.

  31.    "Cd2+/NH3 Treatment of High-Gap CuGaSe2 Thin Film Solar Cell Absorbers",
    M. Bär, M. Rusu, S. Lehmann, S. Sokoll, A. Grimm, I.M. Kötschau, I. Lauermann, P. Pistor, L. Weinhardt, O. Fuchs, C. Heske, Ch. Jung, W. Gudat, Th. Schedel-Niedrig, M.C. Lux-Steiner, and Ch.-H. Fischer,
    Proc. 31st IEEE Photovoltaic Specialists Conference: Lake Buena Vista, FL, USA, January 3-7, 2005. Piscataway, NJ (USA): IEEE, 2005. ISBN 0-7803-8708-2, p. 307-310.

  32.    "Compositional and electronic characterisation of Zn(O,OH) by PES for a better understanding of interfaces in chalcopyrite solar cells",
    M. Bär, J. Reichardt, A. Grimm, I. Kötschau, I. Lauermann, K. Rahne, S. Sokoll, M.C. Lux-Steiner, Ch.-H. Fischer, L. Weinhardt, E. Umbach, C. Heske, C. Jung, W. Gudat and F. Karg,
    BESSY Annual Report 2004.

  33.    "Chemical Processes During Cd2+/NH3 Tretament of Cu(In,Ga)(S,Se)2 Absorbers",
    M. Bär, H.-J. Muffler, M.C. Lux-Steiner, Ch.-H. Fischer, L. Weinhardt, C. Heske, E. Umbach, T.P. Niesen, and F. Karg,
    Technical digest of the 14th International Photovoltaic Science and Engineering Conference (PVSEC-14): Bangkok, Thailand, January 26-30, 2004. Chulalongkorn University, 2004, ISBN 974-91793-9-0, Vol. I, p. 521-522.

  34.     "X-ray Emission and Photoelectron Spectroscopy of Chalcopyrite Thin Film Solar Devices"
    Ch.-H. Fischer, I. Kötschau, I. Lauermann, J. Reichardt, M.C. Lux-Steiner, L. Weinhardt, O. Fuchs, C. Heske, C. Jung, W. Gudat, and F. Karg,
    BESSY Highlights 2003.

  35.     "NEXAFS study of the interaction of glycine with ice layers",
    G. Tzvetkov, G. Koller, M.B. Casu, R. Bauchspiess, C. Heske, E. Umbach, M.G. Ramsey, and F.P. Netzer
    BESSY Annual Report 2003.

  36.    "Perylene/Al2O3/NiAl(111): orientation-controlled organic thin films for field effect transistors",
    M. B. Casu, A. Schöll, K. R. Bauchspieß, Th. Schmidt, C. Heske, and E. Umbach
    BESSY Annual Report 2003.

  37.    "Studying band gap opening in CdS nanoparticles by a combination of photoemission and x-ray absorption spectroscopy",
    Sanjeev Joshi, S. Rügamer, C. Kumpf, T. Schmidt, R. Fink, C. Heske, E. Umbach, and S.K. Kulkarni
    BESSY Annual Report 2003.

  38.     "Spectroscopic analysis of Cu(In,Ga)(S,Se)2 thin film solar devices by combining x-ray emission and photoelectron spectroscopy in the CISSY endstation",
    Ch.-H. Fischer, M. Bär, A. Grimm, I. Kötschau, I. Lauermann, K. Rahne, J. Reichardt, S. Sokoll, M.C. Lux-Steiner, L. Weinhardt , O. Fuchs, G. Storch, C. Heske, C. Jung, W. Gudat, T.P. Niesen, S. Visbeck, F. Karg
    BESSY Annual Report 2003.

  39.    "X-Ray Emission Study of the ZnO/Cu(In,Ga)(S,Se)2 Interface before and after Damp Heat Treatment",
    I.M. Kötschau, M. Bär, Ch.-H. Fischer, A.Grimm, I. Lauermann, J. Reichardt, I. Sieber, S. Sokoll, M. C. Lux-Steiner, L. Weinhardt, O. Fuchs, C. Heske, C. Jung, W. Gudat, T. P. Niesen, and F. Karg,
    Proceedings WCPEC-3, Osaka, Mai 2003, Arisumi Printing Inc, 2003. ISBN: 4-9901816-0-3, Vol.1, p.523-6.

  40.    "Molecular beam epitaxial growth of CdMnSe as a promising material for spin injection"
    P. Grabs, G. Richter, R. Fiederling, C. Gould, C.R. Becker, G. Schmidt, L.W. Molenkamp, W. Weigand, T. Gleim, C. Heske, and E. Umbach,
    Abstract 2002 International Conference on Molecular Beam Epitaxy (Cat. No.02EX607). IEEE. 2002, pp.123-4.

  41.    "CdS and Cd(OH)2 formation during Cd-treatments of Cu(In,Ga)(S,Se)2 thin film solar cell absorbers",
    L. Weinhardt, O. Fuchs, Th. Gleim, C. Heske, E. Umbach, M. Bär, H.-J. Muffler, Ch. H. Fischer, M.Ch. Lux-Steiner, Y. Zubavichus, T.P. Niesen, and F. Karg,
    ALS Compendium 2002.

  42.    "X-ray absorption study of selected amino acids",
    O. Fuchs, L. Weinhardt, C. Heske, E. Umbach, Y. Zubavichus, M. Grunze, and J.D. Denlinger,
    ALS Compendium 2002.

  43.     "Studying buried interfaces with soft x-ray spectroscopy",
    C. Heske,
    Synchrotron Radiation in Natural Sciences 2, 35 (2003).

  44.    "High-resolution photoelectron spectroscopy for the investigation of CdS nanoparticles synthesized by wet chemistry",
    S. Joshi, R. Fink, C. Kumpf, T. Schmidt, C. Heske, E. Umbach,, and S. K. Kulkarni,
    BESSY Annual Report 2002.

  45.    "Near edge X-ray absorption fine structure of thin perylene films deposited on Al2O3/Ni3Al(111) ",
    M. B. Casu, A. Schöll, D. Hübner, Y. Zou, K. R. Bauchspieß, Th. Schmidt, C. Heske, and E. Umbach,
    BESSY Annual Report 2002.

  46.    "Spectroscopic analysis of buried interfaces in Cu(In,Ga)(S,Se)2 thin film solar cells by combining x-ray emission and photoelectron spectroscopy in the CISSY apparatus",
    Ch.-H. Fischer, M. Bär, A. Grimm, I. Kötschau, I. Lauermann, J. Reichardt, S. Sokoll, M.C. Lux-Steiner, L. Weinhardt , O. Fuchs, C. Heske, C. Jung, W. Gudat, T. P. Niesen, and F. Karg,
    BESSY Annual Report 2002.

  47.     "Angle-dependent resonant x-ray emission spectroscopy of PTCDA molecules on Ag(111) ",
    O. Fuchs, L. Weinhardt, C. Heske, E. Umbach, Y. Zubavichus, and M. Grunze,
    BESSY Annual Report 2002.

  48.    "Growth of H2O layers on an ultra-thin Al2O3 film: from monomeric species to ice",
    G. Tzvetkov, Y. Zubavichus, Th. Schmidt, O. Fuchs, C. Heske, E. Umbach, M. Grunze, M. G. Ramsey, and F. P. Netzer,
    BESSY Annual Report 2002.

  49.    "Photon-induced processes in co-condensed glycine/water thin films",
    G. Tzvetkov, Y. Zubavichus, G. Koller, O. Fuchs, C. Heske, E. Umbach, M. Grunze, M. G. Ramsey, and F. P. Netzer,
    BESSY Annual Report 2002.

  50.     "Resonant Soft X-ray Raman Spectroscopy",
    C. Heske, O. Fuchs, D. Eich, A. Fleszar, L. Weinhardt, U. Groh, R. Fink, and E. Umbach,
    Proceedings of the XVIII. Int. Conf. On Raman Spectroscopy (ICORS XVIII), Budapest, August 2002, John Wiley & Sons, Ltd, ISBN 0 471 49189 6, S. 41.

  51.    "Asymmetry in the surface electronic structure of ZnSe(001)-c(2x2) surfaces",
    L. Plucinski, R. Kosuch, W. Weigand, C. Kumpf, C. Heske, A. Fleszar, T. Schallenberg, W. Faschinger, L. Molenkamp, E. Umbach, and R.L. Johnson,
    Proceedings of the Int. Conf. on the Physics of Semiconductors (ICPS), Edinburgh, August 2002, p. 29.

  52.    "Resonant soft X-ray scattering of amino acid powders: first experiments with the ROSA apparatus",
    C. Heske, O. Fuchs, L. Weinhardt, E. Umbach, K.-H. Hallmeier, S.A. Krasnikov, L. Zhang, R. Szargan, M. Grunze, and C. Jung,
    BESSY Annual Report 2001.

  53.     "X-ray fluorescence spectroscopy at U41-PGM by means of ROSA – present status and first results",
    R. Szargan, K.-H. Hallmeier, R. Hesse, A. Kopczynski, S.A. Krasnikov, L. Zhang, O. Fuchs, C. Heske, E. Umbach, S. Molodtsov, F. Schiller, C. Laubschat, C. Jung, and W. Braun,
    BESSY Annual Report 2001.

  54.     "Electronic structure of Sr2FeMoO6: Resonant Inelastic X-ray Scattering (RIXS)",
    K. Küpper, C. Heske, O. Fuchs, M. Matteucci, D.D. Sarma, R. Szargan, and M. Neumann,
    BESSY Annual Report 2001.

  55.     "Electronic structure of BeS studied by resonant inelastic x-ray scattering",
    O. Fuchs, L. Weinhardt, C. Heske, E. Umbach, A. Fleszar, C. Bostedt, L.J. Terminello, and R.C.C. Perera,
    ALS Compendium 2001.

  56.    "Soft X-ray emission spectroscopy of the liquid-solid interface between water and a Cu(In,Ga)(S,Se)2 thin film solar cell absorber",
    C. Heske, U. Groh, O. Fuchs, L. Weinhardt, E. Umbach, Ch.-H. Fischer, Th. Schedel-Niedrig, M.Ch. Lux-Steiner, S. Zweigart, F. Karg, J.D. Denlinger, B. Rude, C. Andrus, and F. Powell,
    ALS Compendium 2001.

  57.    "X-ray emission spectroscopy and X-ray diffraction analysis of HgS-based mixed crystals",
    E. Dynowska, B. Witkowska, W. Szuszkiewicz, C. Heske, U. Groh, O. Fuchs, D. Eich, R. Fink, and E. Umbach,
    Proc. Narrow Gap Semiconductors Conference (NGS) 10, Ishikawa, Japan, IPAP Conf. Series 2, 2001, p. 119.

  58.    "Band alignment at the CdS/CuIn(S,Se)2 heterojunction in thin film solar cells",
    L. Weinhardt, M. Morkel, Th. Gleim, S. Zweigart, T.P. Niesen, F. Karg, C. Heske, and E. Umbach,
    Proc. 17th European Photovoltaic Solar Energy Conference, October 2001, Munich, p. 1261.

  59.    "Resonant X-ray emission spectroscopy of thin organic films on ITO: PTCDA, TPD, and TPD/PTCDA",
    C. Heske, U. Groh, L. Chkoda, and E. Umbach,
    ALS Compendium 2000.

  60.     "Thin film solar cells: Damp heat-induced sulfur oxidation at the buried ZnO/Cu(In,Ga)(S,Se)2 and ZnO/CdS/Cu(In,Ga)(S,Se)2 interfaces",
    C. Heske, U. Groh, E. Umbach, S. Zweigart, and F. Karg,
    ALS Compendium 2000.

  61.     "Photoemission and X-ray emission study of the native sulfur oxidation on Cu(In,Ga)(S,Se)2 thin film solar cell absorbers",
    C. Heske, O. Fuchs, U. Groh, E. Umbach, K.H. Hallmeier, A. Preobrajenski, R. Szargan, S. Zweigart, and F. Karg,
    BESSY Annual Report 2000, p. 135.

  62.    "The interfacial electronic structure of CdSe/ZnTe/InAs(100)",
    Th. Gleim, L. Weinhardt, Th. Schmidt, R. Fink, W. Weigand, P. Grabs, G. Schmidt, L. Molenkamp, C. Heske, H.-P. Steinrück, and E. Umbach,
    BESSY Annual Report 2000, p. 187.

  63.    "Influence of Te interlayers on the electronic properties of ZnSe/GaAs(100)-interfaces",
    Th. Gleim, C. Heske, E. Umbach, C. Schumacher, W. Faschinger, Ch. Ammon, M. Probst, and H.-P. Steinrück,
    BESSY Jahresbericht 1999.

  64.     "Probing the local chemical bonding of interfacial S atoms in CdS/ZnSe superlattices",
    C. Heske, U. Groh, R. Fink, E. Umbach, S. Petillon, A. Dinger, M. Grün, and C. Klingshirn,
    ALS Compendium 1999.

  65.     "Self-limited Na content at the buried CdS/Cu(In,Ga)Se2 solar cell heterojunction",
    C. Heske, D. Eich, U. Groh, R. Fink, E. Umbach, T. van Buuren, C. Bostedt, N. Franco, L.J. Terminello, M.M. Grush, T.A. Callcott, F.J. Himpsel, D.L. Ederer, R.C.C. Perera, W. Riedl, and F. Karg,
    ALS Compendium 1999.

  66.     "Validity of the independent-particle approximation in x-ray photoemission: The exception, not the rule",
    D.L. Hansen, O. Hemmers, H. Wang, D.W. Lindle, P. Focke, I.A. Sellin, C. Heske, H.S. Chakraborty, P.C. Deshmukh, and S.T. Manson,
    ALS Compendium 1998.

  67.    "X-ray Absorption Spectroscopy of Ge-Nanocluster Films",
    C. Bostedt, T. van Buuren, N. Franco, C. Heske, M. Balooch, L.L. Chase, T. Möller, and L.J. Terminello,
    ALS Compendium 1998.

  68.    "Resonant Soft x-ray emission investigation of Be-chalcogenide thin films and superlattices",
    D. Eich, U. Groh, R. Fink, C. Heske, M. Keim, G. Reuscher, A. Waag, A. Fleszar, M.M. Grush, T.A. Callcott, R.C.C. Perera, and E. Umbach,
    ALS Compendium 1998.

  69.    "Probing intermixing and impurity localization at a buried interface: the CdS/Cu(In,Ga)Se2 thin film solar cell heterojunction",
    C. Heske, D. Eich, R. Fink, E. Umbach, S. Kakar, M.M. Grush, T.A. Callcott, T. van Buuren, C.Bostedt, L.J. Terminello, F.J. Himpsel, D.L. Ederer, R.C.C. Perera, W. Riedl, and F. Karg,
    ALS Compendium 1998.

  70.    "Band Widening in Graphite",
    C. Heske, R. Treusch, F.J. Himpsel, S. Kakar, L.J. Terminello, and H.J. Weyer,
    Swiss Light Source Annual Report 1998, Vol. VII, p. 50.

  71.     "An improved microprobe using direct undulator radiation",
    M.R. Weiß, V. Wüstenhagen, C. Heske, R. Fink, and E. Umbach,
    in: X-Ray Microscopy V (ed. G. Schmahl, D. Rudolph, J. Thieme, and E. Umbach), Springer (Heidelberg) 1998, p. III-15.

  72.    "Core level spectroscopy for surface analysis",
    F.J. Himpsel, R. Treusch, I. Jimenez, A.F. Jankowski, D.G.J. Sutherland, L.J. Terminello, C. Heske, R.C.C. Perera, D.K. Shuh, W.M. Tong, J.H., anderwood, J.A. Carlisle, T.A. Callcott, J.J. Jia, D.L. Ederer, D.M. Gruen, A.R. Krauss, D.C. Zuiker, and G.L. Doll,
    Critical Reviews of Optical Science and Technology, CR69, R.A. Lessard and H. Franke (editors), SPIE (Bellingham 1997), p. 357.

  73.    "Band Widening in Graphite",
    C. Heske, R. Treusch, F.J. Himpsel, S. Kakar, L.J. Terminello, and H.J. Weyer,
    ALS Compendium 1997, p. 200.

  74.    "X-Ray Emission Spectroscopy of NO Molecules Adsorbed and Coadsorbed with Oxygen on Ru(001)",
    M. Stichler, C. Keller, A. Föhlisch, A. Nilsson, C. Heske, W. Wurth, and D. Menzel,
    ALS Compendium 1997, p. 267.

  75.    "PEEM and NEXAFS studies of hard disks and sliders",
    S. Anders, Th. Stammler, C.S. Bhatia, J. Stöhr, W. Fong, C.-Y. Chen, D.B. Bogy, and C. Heske,
    ALS Compendium 1997, p. 237.

  76.    "PEEM studies of thin film bilayers and blends of polystyrene and brominated polystyrene",
    S. Anders, Th. Stammler, H. Ade, D. Slep, J. Sokolov, M. Rafailovich, C. Heske, and J. Stöhr,
    ALS Compendium 1997, p. 241.

  77.    "X-Ray Photoemission and Photoabsorption of Organic Electroluminescent Materials",
    R. Treusch, S. Kakar, C. Heske, T. van Buuren, L.J. Terminello, F.J. Himpsel, V.V. Dinh, H.W.Lee, K. Pakbaz, G. Fox, and I. Jimenez,
    ALS Compendium 1997, p. 270.

  78.    "Graphitization of CVD Diamond Thin Film by X-Ray Synchrotron Radiation",
    K.Y. Eun, Y.-J. Baik, C. Heske, and S. Anders,
    ALS Compendium 1997, p. 234.

    B79.     "Formation of the Zn/CdTe(100) interface: interdiffusion, segregation, and atomic Cd-Zn exchange viewed by X-ray photoemission",
    C. Heske, U. Winkler, D. Eich, Z.H. Chen, R. Fink, E. Umbach, Ch. Jung, and P.R. Bressler,
    BESSY Jahresbericht 1996, p. 317.

  79.    "Influence of humidity on polycrystalline Cu(In,Ga)Se2 thin films for solar cells: a study of Na and H2O coadsorption",
    C. Heske, G. Richter, Zhonghui Chen, R. Fink, E. Umbach, W. Riedl, and F. Karg,
    Proc. 25th IEEE Photovoltaic Specialists Conference, May 1996, Washington, D.C., p. 861.

  80.    "Surface core-level shift of the c(2x2)-reconstructed Cd-terminated Cd(Zn)Te(100) surface",
    C. Heske, U. Winkler, D. Jacob, R. Fink, E. Umbach, Ch. Jung, and P.R. Bressler,
    BESSY Jahresbericht 1995, p. 313.

  81.    "Order and electronic structure of large organic molecules on Ag and Cu surfaces",
    M. Bäßler, Chr. Buchberger, D. Gador, C. Heske, J. Müller, P. Väterlein, J.U. von Schütz, R. Fink, and E. Umbach,
    BESSY Jahresbericht 1995, p. 385.

  82.    "Electronic structure, composition, and local surface photovoltage effects of polycrystalline Cu(In,Ga)Se2 thin films after Na deposition",
    C. Heske, R. Fink, D. Jacob, and E. Umbach,
    Proc. 13th European Photovoltaic Solar Energy Conference, October 1995, Nice, France, p. 2003.

  83.    "Recent achievements of the PISAM project",
    M. Weiß , R. Fink, C. Heske, P. Väterlein, and E. Umbach,
    BESSY Jahresbericht 1994, p. 462.

C. Conference Proceedings (as editor), Books, Book Chapters:


  1.     “Spectroscopy of Energy Materials”,
    C. Heske and W. Eberhardt (editors),
    J. El. Spec. Rel. Phenom. 190 Part A, 1-124 (2013).

  2.     “Compound Semiconductors: Thin-Film Photovoltaics, LEDs, and Smart Energy Controls”,
    Materials Research Society Symposium Proceedings, Volume 1538, M. Al-Jassim, C. Heske, T. Li, M. Mastro, C. Nan, S. Niki, W. Shafarman, S. Siebentritt, and Q. Wang (editors),
    Cambridge University Press, 2013 (ISBN 978-1-60511-515-3).

  3.     Contributing author to “Photoelectrochemical Water Splitting – Standards, Experimental Methods, and Protocols”,
    Zhebo Chen, Huyen N. Dinh, and Eric Miller,
    Springer Briefs in Energy, 2013.

  4.     “Soft X-Ray and Electron Spectroscopy: A Unique Tool Chest to Characterize the Chemical and Electronic Properties of Surfaces and Interfaces”,
    Marcus Bär, Lothar Weinhardt, and Clemens Heske, Chapter 15 in “Advanced Characterization Techniques for Thin Film Solar Cells”, D. Abou-Ras, Th. Kirchartz, and U. Rau, (eds.),
    1. Edition - March 2011, Wiley-VCH, Berlin.

  5.     "Thin Film Compound Semiconductor Photovoltaics – 2009”,
    Materials Research Society Symposium Proceedings, Volume 1165, A. Yamada, C. Heske, M. Contreras, M. Igalson, and S.J.C. Irvine (editors),
    Materials Research Society, Warrendale, PA, 2010 (ISBN 978-1-60511-138-4).

  6.     “X-ray and electron spectroscopy studies of oxide semiconductors for photoelectrochemical hydrogen production”,
    C. Heske, L. Weinhardt, and M. Bär,
    Chapter 6 of “On Solar Hydrogen & Nanotechnology”, ed. L. Vayssieres, Wiley & Sons, Singapore, January 2010 (ISBN 978-0-47082-397-2).

  7.     "Thin Film Compound Semiconductor Photovoltaics – 2007”,
    Materials Research Society Symposium Proceedings, Volume 1012, T. Gessert, K. Durose, C. Heske, S. Marsillac, and T. Wada (editors),
    Materials Research Society, Warrendale, PA, 2007 (ISBN 978-1-55899-972-5).

  8.     “Interactions at surfaces and interfaces of compound semiconductors – A photoemission study of CdTe, Cd(Zn)Te, and Cu(In,Ga)Se2”,
    C. Heske,
    Shaker Verlag, Aachen, 1997 (ISBN 3-8265-3215-5).

D. Patents:


1.     “Method for treating exposed semiconductor surface for incorporating into photoelectrochemical cell, involves implanting nitrogen ions in exposed semiconductor surface, and depositing ruthenium alloy on exposed semiconductor surface”,
United States Patent US20140332374-A1,
Applicant: Alliance for Sustainable Energy, LLC, Golden, CO (US).
Inventors: Todd DEUTSCH, Westminster, CO (US); John TURNER, Broomfield, CO (US); Jennifer LEISCH, Washington, DC (US); Heli WANG, Littleton, CO (US); Adam WELCH, Lakewood, CO (US); Avery LINDEMAN, Berkeley, CA (US); Kevin O'NEILL, Boulder, CO (US); Andrew PINKARD, Vista, CA (US); Arrelaine DAMERON, Boulder, CO (US); Clemens HESKE, Las Vegas, NV (US); Kyle GEORGE, Las Vegas, NV (US); Lothar WEINHARDT, Karlsruhe (DE); Michael WEIR, Las Vegas, NV (US),
Assignee: Alliance for Sustainable Energy, LLC, Golden, CO (US).Derwent
Primary Accession Number: 2014-U35261 [77].