Publications
Peer-reviewed
46. | M. Rusu, M. Bär, S. Lehmann, S. Sadewasser, L. Weinhardt, C. A. Kaufmann, E. Strub, J. Röhrich, W. Bohne, I. Lauermann, Ch. Jung, C. Heske, and M. Ch. Lux-Steiner, Three-dimensional structure of the buffer/absorber interface in CdS/CuGaSe2 based thin film solar cells, Appl. Phys. Lett. 95, 173502 (2009). |
45. | F. Erfurth, B. Hußmann, A. Schöll, F. Reinert, A. Grimm, I. Lauermann, M. Bär, Th. Niesen, J. Palm, S. Visbeck, L. Weinhardt, and E. Umbach, Chemical structure of the (Zn1−x,Mgx)O/CuIn(S,Se)2 interface in thin film solar cells, Appl. Phys. Lett. 95, 122104 (2009). |
44. | M. Bär, I. Repins. M.A. Contreras, L. Weinhardt, R. Noufi, and C. Heske, Chemical and electronic surface structure of 20%-efficient Cu(In,Ga)Se2 thin film solar cell absorbers, Appl. Phys. Lett. 95, 052106 (2009). |
43. | O. Fuchs, L. Weinhardt, M. Blum, M. Weigand, E. Umbach, M. Bär, C. Heske, J. Denlinger, Y.-D. Chuang, W. McKinney, Z. Hussain, E. Gullikson, M. Jones, P. Batson, B. Nelles, and R. Follath, High-resolution, high-transmission soft x-ray spectrometer for the study of biological samples, Rev. Sci. Instrum. 80, 063103 (2009). |
42. | L. Weinhardt, O. Fuchs, A. Fleszar, M. Bär, M. Blum, M. Weigand, J.D. Denlinger, W. Yang, W. Hanke, E. Umbach, and C. Heske, Resonant inelastic soft x-ray scattering of CdS: A two-dimensional electronic structure map approach, Phys. Rev. B 79, 165305 (2009). |
41. | M. Bär, K.-S. Ahn, S. Shet, Y. Yan, L. Weinhardt, O. Fuchs, M. Blum, S. Pookpanratana, K. George, W. Yang, J.D. Denlinger, M. Al-Jassim, and C. Heske, Impact of air exposure on the chemical and electronic structure of ZnO:Zn3N2 thin films, Appl. Phys. Lett. 94, 012110 (2009). |
40. | M. Bär, S. Nishiwaki, L. Weinhardt, S. Pookpanratana, O. Fuchs, M. Blum, W. Yang, J.D. Denlinger, W.N. Shafarman, and C. Heske, Depth-resolved band gap in Cu(In,Ga)(S,Se)2 thin films, Appl. Phys. Lett. 93, 244103 (2008). |
39. | M. Bär, M. Rusu, S. Lehmann, T. Schedel-Niedrig, I. Lauermann, and M.C. Lux-Steiner, The chemical and electronic surface and interface structure of CuGaSe2 thin-film solar cell absorbers, Appl. Phys. Lett. 93, 232104 (2008). |
38. | S. Pookpanratana, R. France, M. Bär, L. Weinhardt, O. Fuchs, M. Blum, W. Yang, J. D. Denlinger, T. D. Moustakas, and C. Heske, Intermixing and chemical structure at the interface between n-GaN and V-based contacts, Appl. Phys. Lett. 93, 172106 (2008). |
37. | M. Bär, L. Weinhardt, C. Heske, S. Nishiwaki, and W. N. Shafarman, Chemical structures of the Cu(In,Ga)Se2/Mo and Cu(In,Ga)(S,Se)2/Mo interfaces, Phys. Rev. B 78, 075404 (2008). |
36. | M. Bär, S. Nishiwaki, L. Weinhardt, S. Pookpanratana, W. N. Shafarman, and C. Heske, Electronic level alignment at the deeply buried absorber/Mo interface in chalcopyrite-based thin film solar cells, Appl. Phys. Lett. 93, 042110 (2008). |
35. | O. Fuchs, M. Zharnikov, L. Weinhardt, M. Blum, M. Weigand, Y. Zubavichus, M. Bär, F. Maier, J. D. Denlinger, C. Heske, M. Grunze, and E. Umbach, REPLY to: Isotope and Temperature Effects in Liquid Water Probed by X-Ray Absorption and Resonant X-Ray Emission Spectroscopy, Phys. Rev. Lett. 100, 249802 (2008). |
34. | L. Weinhardt, M. Blum, M. Bär, C. Heske, B. Cole, B. Marsen, and E. Miller, Electronic Surface Level Positions of WO3 Thin Films for Photoelectrochemical Hydrogen Production, J. Phys. Chem. C 112, 3078 (2008). |
33. | O. Fuchs, M. Zharnikov, L. Weinhardt, M. Blum, M. Weigand, Y. Zubavichus, M. Bär, F. Maier, J. D. Denlinger, C. Heske, M. Grunze, and E. Umbach, Isotope and Temperature Effects in Liquid Water Probed by X-Ray Absorption and Resonant X-Ray Emission Spectroscopy, Phys. Rev. Lett. 100, 027801 (2008). |
32. | L. Weinhardt, M. Blum, M. Bär, C. Heske, O. Fuchs, E. Umbach, J.D. Denlinger, K. Ramanathan, R. Noufi, Chemical properties of the Cu(In,Ga)Se2/Mo/glass interfaces in thin film solar cells, Thin Solid Films 515, 6119 (2007). |
31. | M. Bär, N. Allsop, I. Lauermann, and Ch.-H. Fischer, Deposition of In2S3 on Cu(In,Ga)(S,Se)2 thin film solar cell absorbers by spray ion layer gas reaction: Evidence of strong interfacial diffusion, Appl. Phys. Lett. 90, 132118 (2007). |
30. | M. Bär, J. Reichardt, I. Sieber, A. Grimm, I. Kötschau, I. Lauermann, S. Sokoll, M.C. Lux-Steiner, Ch.-H. Fischer, and T.P. Niesen, ILGAR-ZnO on Cu(In,Ga)(S,Se)2 thin film solar cell absorbers – Impact of ‘damp-heat’ conditions on the layer properties, Prog. Photovolt.: Res. Appl. 15, 187 (2007). |
29. | M. Bär, A. Ennaoui, J. Klaer, R. Sáez-Araoz, T. Kropp, L. Weinhardt, C. Heske, H.-W. Schock, Ch.-H. Fischer, and M.C. Lux-Steiner, The electronic structure of the [Zn(S,O)/ZnS]/CuInS2 heterointerface – Impact of post-annealing, Chem. Phys. Lett. 433, 71 (2006). |
28. | M. Bär, L. Weinhardt, C. Heske, H.-J. Muffler, E. Umbach, M.C. Lux-Steiner, T.P. Niesen, F. Karg, and Ch.-H. Fischer, Chemical Insights into the Cd2+/NH3-Treatment – an Approach to Explain the Formation of Cd-Compounds on Cu(In,Ga)(S,Se)2-Absorbers, Sol. Energy Mater. Sol. Cells 90, 3151 (2006). |
27. | H.-J. Muffler, M. Bär, I. Lauermann, K. Rahne, M. Schröder, M.C. Lux-Steiner, Ch.-H. Fischer, T.P. Niesen, and F. Karg, Colloid attachment by ILGAR-layers: Creating fluorescing layers to increase quantum efficiency of solar cells, Sol. Energy Mater. Sol. Cells 90, 3143 (2006). |
26. | M. Bär, A. Ennaoui, J. Klaer, T. Kropp, R. Sáez-Araoz, S. Lehmann, A. Grimm, I. Lauermann, Ch. Loreck, St. Sokoll, H.-W. Schock, Ch.-H. Fischer, M.C. Lux-Steiner, and Ch. Jung, Intermixing at the heterointerface between ZnS/Zn(S,O) bilayer buffer and CuInS2 thin film solar cell absorber, J. Appl. Phys. 100, 064911 (2006). |
25. | R. Bayón, R. Musembi, A. Belaidi, M. Bär, T. Guminskaya, Ch.-H. Fischer, M. Ch. Lux-Steiner, and T. Dittrich, Highly structured TiO2/In(OH)xSy/PbS/PEDOT:PSS to be used in photovoltaic applications, C. R. Chimie 9, 730–734 (2006). |
24. | S. Lehmann, M. Bär, D. Fuertes Marrón, P. Pistor, S. Wiesner, M. Rusu, I. Kötschau, I. Lauermann, A. Grimm, S. Sokoll, Ch.-H. Fischer, Th. Schedel-Niedrig, M.Ch. Lux-Steiner, and Ch. Jung, CuGaSe2–CuGa3Se5 phase transition in CCSVT-grown thin films, Thin Solid Films 511-512, 623 (2006). |
23. | A. Ennaoui, M. Bär, J. Klaer, T. Kropp, R. Sáez-Araoz, and M.Ch. Lux-Steiner, Highly-Efficient Cd-free CuInS2 thin-film solar cells and mini-modules with Zn(S,O) buffer layers prepared by an alternative chemical bath process, Prog. Photovolt.: Res. Appl. 14, 499 (2006). |
22. | M. Bär, J. Reichardt, I. Sieber, A. Grimm, I. Kötschau, I. Lauermann, S. Sokoll, M.C. Lux-Steiner, Ch.-H. Fischer, and T.P. Niesen, ILGAR-ZnO on Cu(In,Ga)(S,Se)2 thin film solar cell absorbers – Morphology, growth mechanism and composition, J. Appl. Phys. 100, 023710 (2006). |
21. | Ch.-H. Fischer, M. Bär, Th. Glatzel, I. Lauermann, and M.Ch. Lux-Steiner, Interface Engineering in Chalcopyrite Thin Film Solar Devices, Sol. Energy Mater. Sol. Cells 90, 1471 (2006). |
20. | M. Bär, A. Ennaoui, J. Klaer, T. Kropp, R. Sáez-Araoz, N. Allsop, I. Lauermann, H.-W. Schock, and M.C. Lux-Steiner, Formation of a ZnS/Zn(S,O) bi-layer buffer on CuInS2 thin film solar cell absorbers by chemical bath deposition, J. Appl. Phys. 99, 123503 (2006). |
19. | L. Weinhardt, O. Fuchs, A. Peter, E. Umbach, C. Heske, J. Reichardt, M. Bär, I. Lauermann, I. Kötschau, A. Grimm, S. Sokoll, M.Ch. Lux-Steiner, T. P. Niesen, S. Visbeck, and F. Karg, Spectroscopic investigation of the deeply buried Cu(In,Ga)(S,Se)2/Mo interface in thin film solar cells, J. Phys. Chem. 124, 074705 (2006). |
18. | N. A. Allsop, A. Schönmann, H.-J. Muffler, M. Bär, M. C. Lux-Steiner, and Ch.-H. Fischer, Spray-ILGAR Indium Sulfide Buffers for Cu(In,Ga)(S,Se)2 Solar Cells, Prog. Photovolt.: Res. Appl. 13, 607 (2005). |
17. | M. Bär, L. Weinhardt, C. Heske, H.-J. Muffler, M.Ch. Lux-Steiner, E. Umbach, and Ch.-H. Fischer, 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, Prog. Photovolt.: Res. Appl. 13, 571 (2005). |
16. | 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, The Zn(O,OH) material system: Position of the valence band maximum vs. composition, J. Appl. Phys. 98, 053702 (2005). |
15. | R. Bayón, R. Musembi, A. Belaidi, M. Bär, T. Guminskaya, M.-Ch. Lux-Steiner, Th. Dittrich, Highly structured TiO2 / In(OH)XSY / PbS / PEDOT:PSS for photovoltaic applications, Sol. Energy Mater. Sol. Cells 89, 13 – 15 (2005). |
14. | M. Bär, S. Lehmann, M. Rusu, A. Grimm, I. Kötschau, I. Lauermann, P. Pistor, S. Sokoll, Th. Schedel-Niedrig, M.Ch. Lux-Steiner, Ch.-H. Fischer, L. Weinhardt, C. Heske, and Ch. Jung, Cd2+/NH3 – Treatment Induced Formation of a CdSe Surface Layer on CuGaSe2 Thin-Film Solar Cell Absorbers, Appl. Phys. Lett. 86, 222107-1 – 222107-3 (2005). |
13. | 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, T.P. Niesen, F. Karg, Inducing and Monitoring Photoelectrochemical Reactions at Surfaces and Buried Interfaces in Cu(In,Ga)(S,Se)2 Thin Film Solar Cells, Appl. Phys. Lett. 86, 172102-1 – 172102-3 (2005). |
12. | M. Bär, U. Bloeck, H.-J. Muffler, M.C. Lux-Steiner, Ch.-H. Fischer, M. Giersig, T.P. Niesen, F. Karg, Cd2+/NH3-treatment of Cu(In,Ga)(S,Se)2: Impact on the properties of ZnO layers deposited by the ion layer gas reaction method, J. Appl. Phys 97, p. 014905-1 – 014905-8 (2005). |
11. | M. Bär, W. Bohne, J. Röhrich, E. Strub, S. Lindner, M.C. Lux-Steiner, Ch.-H. Fischer, T.P. Niesen, F. Karg, Determination of the band gap depth profile of the penternary Cu(In(1-X)GaX)(SYSe(1-Y))2 chalcopyrite from its composition gradient, J. Appl. Phys. 96 (7), p. 3857-3860 (2004). |
10. | Ch.-H. Fischer, H.-J. Muffler, M. Bär, T. Kropp, A. Schönmann, S. Fiechter, G. Barbar, and M.Ch. Lux-Steiner, Spray - Ion Layer Gas Reaction (ILGAR) – a Novel Low-Cost Process for the Deposition of Chalcopyrite Layers up to the Micrometer Range for Photovoltaic Applications, J. Phys. Chem. B 107 (30), 7516-7521 (2003). |
9. | E. Strub, M. Bär, W. Bohne, Ch.-H. Fischer, B. Leupolt, S. Lindner, J. Röhrich, B. Schöneich, Intensity Calibration of an FT-IR spectrometer by Heavy-Ion ERDA, Nucl. Instr. and Methods B 219-220, 499-502 (2004). |
8. | L. Weinhardt, M. Bär, H.-J. Muffler, 22Ch.-H. Fischer, M.Ch. Lux-Steiner, T.P. Niesen, F. Karg, Th. Gleim, C. Heske, and E. Umbach, Impact of Cd2+-Treatment on the Band Alignment at the ILGAR-ZnO/ CuIn(S,Se)2 Heterojunction, Thin Solid Films 431-432, 272-276 (2003). |
7. | L. Weinhardt, Th. Gleim, O. Fuchs, C. Heske, E. Umbach, M. Bär, H.-J. Muffler, Ch.-H. Fischer, M.Ch. Lux-Steiner, Y. Zubavichus, T.P. Niesen, and F. Karg, CdS- and Cd(OH)2-Formation During Cd-Treatments of Cu(In,Ga)(S,Se)2 Thin-Film Solar Cell Absorbers, Appl. Phys. Lett. 82 (4), 571-573 (2003). |
6. | M. Bär, Ch.-H. Fischer, H.-J. Muffler, S. Zweigart, F. Karg, and M.Ch. Lux-Steiner, Replacement of the CBD-CdS Buffer and the Sputtered i-ZnO by an ILGAR-ZnO WEL: Optimisation of the WEL Deposition, Sol. Energy Mater. Sol. Cells 75, 101-107 (2003). |
5. | Ch.-H. Fischer, H.-J. Muffler, M. Bär, S. Fiechter, B. Leupolt, and M.Ch. Lux-Steiner, Ion Layer Gas Reaction (ILGAR) – Conversion, Thermodynamic Considerations and Related FTIR Analyses, J. Cryst. Growth 241 (1-2), 151-158 (2002). |
4. | M. Rebien, W. Henrion, M. Bär, and Ch.-H. Fischer, Optical Properties of ZnO Thin Films: Ion Layer Gas Reaction Compared to Sputter Deposition, Appl. Phys. Lett. 80 (19), 3518-3520 (2002). |
3. | M. Bär, H.-J. Muffler, Ch.-H. Fischer, S. Zweigart, F. Karg, and M.Ch. Lux-Steiner, ILGAR-ZnO Window Extension Layer: An Adequate Substitution of the Conventional CBD-CdS Buffer in Cu(In,Ga)(S,Se)2-based Solar Cells with Superior Device Performance, Prog. Photovolt.: Res. Appl. 10, 173-184 (2002). |
2. | H.-J. Muffler, Ch.-H. Fischer, M. Giersig, M. Bär, and M.Ch. Lux-Steiner, Mechanics of the Ion Layer Gas Reaction – a Preparation Method of Nanocrystalline Thin Layers, J. Appl. Phys. 91 (10), 6691-6694 (2002). |
1. | M. Bär, H.-J. Muffler, Ch.-H. Fischer, and M.Ch. Lux-Steiner, ILGAR Technology IV: ILGAR Thin Film Technology Extended to Metal Oxides, Sol. Energy Mater. Sol. Cells 67, 113-120 (2001).
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Proceedings
22. | X. Wang, N.N. Kariuki, S. Niyogi, M. Smith, D.J. Myers, T. Hofmann, Y. Zhang, M. Bär, and C. Heske, Bimetallic Palladium-Base Metal Nanoparticle Oxygen Reduction Electrocatalysts, 214th Meeting of the Electrochemical Society, Honolulu (HI), USA, October 12-17, 2008, ECS Transactions, 16 (2) 109-119 (2008). |
21. | M. Bär, L. Weinhardt, S. Pookpanratana, C. Heske, S. Nishiwaki, W. Shafarman, O. Fuchs, M. Blum, W. Yang, and J.D. Denlinger, Depth-dependent band gap energies in chalcopyrite thin film solar cell absorbers, Proc. 33rd IEEE Photovoltaic Specialists Conference, San Diego (CA), USA, May 11-16, 2008. |
20. | S. Lehmann, D. Fuertes Marrón, I. Lauermann, M. Bär, Ch.-H. Fischer, and M. Ch. Lux-Steiner, Tailoring the Work Function of Chalcopyrite Thin Films with Self-assembled Monolayers of Thiols, in Thin-Film Compound Semiconductor Photovoltaics – 2007, edited by Timothy Gessert, Ken Durose, Clemens Heske, Sylvain Marsillac, Takahiro Wada (Mater. Res. Soc. Symp. Proc. Vol. 1012, Warrendale, PA, 2007), 1012-Y13-08. |
19. | J. Zhou, X. Wu, Y. Yan, S. Asher, J. L. F. Da Silva, Su-Huai Wei, L. Weinhardt, M. Bär, and C. Heske, The mechanism of J-V “roll-over” in CdS/CdTe devices, in Thin-Film Compound Semiconductor Photovoltaics – 2007, edited by Timothy Gessert, Ken Durose, Clemens Heske, Sylvain Marsillac, Takahiro Wada (Mater. Res. Soc. Symp. Proc. Vol. 1012, Warrendale, PA, 2007), 1012-Y13-03. |
18. | Ch.-H. Fischer, N. Allsop, M. Bär, H.-J. Muffler, and M.C. Lux-Steiner, ILGAR (Ion Layer Gas Reaction) – A Versatile Low-cost Method for the Deposition of High Quality Thin Semiconductor and Insulator Layers, Proceedings of the 49th Annual Technical Conference of the Society of Vacuum Coaters, Washington, DC, USA, April 22-27, 2006. ISSN 0737-5921, 470 (2006). |
17. | A. Ennaoui, M. Bär, M. Rusu, R. Klenk, J. Klaer, T. Kropp, R. Saez-Araoz, H.-W. Schock, M.C. Lux-Steiner, Highly Efficient CuInS2 Based Solar Cell Devices With an Optimized Cd-free Window Structure, Proc. 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, 4.-8.9.2006, p. 1835. |
16. | Ch. Loreck, I. Lauermann, A. Grimm, R. Klenk, M. Bär, S. Lehmann, S. Sokoll, M. Ch. Lux-Steiner, F. Erfurth, L. Weinhardt, C. Heske, S. Visbeck, T. P. Niesen, Ch. Jung, and Ch.-H. Fischer, Interface chemistry between the sputter–Zn1-xMgxO buffer and the Cu(In,Ga)(S,Se)2 absorber, Proc. 21st European Photovoltaic Solar Energy Conference, Dresden, Germany, 4.-8.9.2006, p. 1874. |
15. | M. Bär, L. Weinhardt, O. Fuchs, J. Klaer, J. Peiser, H.-W. Schock, and C. Heske, Chemical Bath Deposition of CdS thin films on CuInS2 and Si Substrates – A Comparative X-ray Emission Study, Proc. 4th World Conference on Photovoltaic Energy Conversion, Waikoloa, Hi., USA, 7.-12.5.2006. IEEE Cat. No. 06CH37747, Vol. I, p. 416-419. |
14. | A. Ennaoui, M. Bär, J. Klaer, T. Kropp, R. Sáez-Araoz, and M.C. Lux-Steiner, New chemical route for the deposition of ZnS buffer layers: Cd-free CuInS2-based thin film solar cells with efficiencies above 11%, 20th European Photovoltaic Solar Energy Conference, Barcelona, Spain, ISBN 3-936338-19-1, Munich, 06.-10.06.2005, p. 1882. |
13. | I. Lauermann, P. Pistor, I. Kötschau, and M. Bär, Synchrotron-spectroscopy for the characterization of surfaces and interfaces in chalcopyrite solar cells, Mat. Res. Soc. Symp. Proc. Vol. 865, F. 2.1.1 (2005). |
12. | 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.Ch. Lux-Steiner, and Ch.H. Fischer, Cd2+/NH3 – Treatment of High-Gap CuGaSe2 Thin Film Solar Cell Absorbers. 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. |
11. | H.-J. Muffler, M. Bär, M.C. Lux-Steiner, Ch.-H. Fischer, T.P. Niesen, and F. Karg, Colloid Fixation by an ILGAR-Layer: the Use of Fluorescing Layers to Increase Quantum Efficiency of Solar Cells in the Blue Wavelength Region, In: Technical digest of the 14th International Photovoltaic Science and Engineering Conference (PVSEC-14): Bangkok, Thailand, January 26-30, 2004. Bangkok: Chulalongkorn University, 2004, ISBN 974-91793-9-0, Vol. II, p. 703-704. |
10. | M. Bär, H.-J. Muffler, M.C. Lux-Steiner, Ch.-H. Fischer, L. Weinhardt, C. Heske, E. Umbach, T.P. Niesen, and F. Karg, Chemical Processes During Cd2+/NH3-Tretament of Cu(In,Ga)(S,Se)2-Absorbers. In: Technical digest of the 14th International Photovoltaic Science and Engineering Conference (PVSEC-14): Bangkok, Thailand, January 26-30, 2004. Bangkok: Chulalongkorn University, 2004, ISBN 974-91793-9-0, Vol. I, p. 521-522. |
9. | I. Lauermann, M. Bär, A. Ennaoui, U. Fiedeler, Ch-H. Fischer, A. Grimm, I. Kötschau, M.Ch. 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, Analysis of Zinc Compound Buffer Layers in Cu(In,Ga)(S,Se)2 Thin Film Solar Cells by Synchrotron-Based Soft X-ray Spectroscopy. In: R. Noufi et al. (eds.): Compound semiconductors photovoltaics: Symposium held in San Francisco, CA (USA), April 22-25, 2003. Warndale, PA (USA): Material Research Society, 2003 (Mat. Res. Soc. Symp. Proc. Vol. 763), ISBN 1-55899-700-8, p. 610-613 (B4.5.1). |
8. | M. Bär, M. Rusu, J. Reiß, T. Glatzel, S. Sadewasser, W. Bohne, E. Strub, H.-J. Muffler, S. Lindner, J. Röhrich, T.P. Niesen, F. Karg, M.Ch. Lux-Steiner, and Ch.-H. Fischer, Insights into the Degradation Mechanisms of CIGSSe Devices based on different Heterojunctions, in K. Kurokawa et al. (eds.): 3rd World Conference on Photovoltaic Energy Conversion, proceedings of the international conference held in Osaka, Japan, May 11-18, 2003. Japan: Arisumi Printing Inc, 2003. ISBN: 4-9901816-0-3, Vol.1, p.335-9. |
7. | I.M. Kötschau, M. Bär, Ch.-H. Fischer, A. Grimm, I. Lauermann, J. Reichardt, I. Sieber, S. Sokoll, M.Ch. Lux-Steiner, L. Weinhardt, O. Fuchs, C. Heske, C. Jung, W. Gudat, T.P. Niesen, and F. Karg, X-Ray Emission Study of the ZnO/Cu(In,Ga)(S,Se)2 Interface before and after Damp Heat Treatment, in K. Kurokawa et al. (eds.): 3rd World Conference on Photovoltaic Energy Conversion, proceedings of the international conference held in Osaka, Japan, May 11-18, 2003. Japan: Arisumi Printing Inc, 2003. ISBN: 4-9901816-0-3, Vol.1, p.523-6. |
6. | S. Nishiwaki, M. Dziedzina, S. Schuler, S. Siebentritt, M. Bär, A. Rumberg, M. Rusu, R. Klenk, and M.Ch. Lux-Steiner, Preparation of CuGaSe2 Solar Cells and their Optimization, in K. Kurokawa et al. (eds.): 3rd World Conference on Photovoltaic Energy Conversion, proceedings of the international conference held in Osaka, Japan, May 11-18, 2003. Japan: Arisumi Printing Inc, 2003. ISBN: 4-9901816-0-3, Vol.1, p. 471-474. |
5. | Ch.-H. Fischer, M. Bär, H.-J. Muffler, H. Steigert, Th. Niesen, F. Karg, and M.Ch. Lux-Steiner, ILGAR (Ion Layer Gas Reaction) ein low-cost-Verfahren zur Deposition von Oxidschichten – Rekord-Ergebnisse für CIGSSe-Solarzellen mit ILGAR-ZnO-Puffern. In: B. Rech, G. Stadermann (eds.): Workshop TCO für Dünnschichtsolarzellen II: Jülich, Germany, September 16-17, 2002; FVS Workshop 2002 / Forschungsverbund Sonnenenergie. Berlin: FVS, 2003, p. 69-73. |
4. | M. Bär, Ch.-H. Fischer, H.-J- Muffler, B. Leupolt, Th. P. Niesen, F. Karg, and M.Ch. Lux-Steiner, High Efficiency Chalcopyrite Solar Cells with ILGAR-ZnO WEL – Device Characteristics Subject to the WEL Composition, In: Conference record of the 29th IEEE Photovoltaic Specialists Conference (PVSC-29): New Orleans, LA (USA), May 19-24, 2002. Piscataway, NJ (USA): IEEE, 2002. ISBN 0-7803-7471-1, p. 636-639. |
3. | M. Bär, Ch.-H. Fischer, H.-J. Muffler, S. Zweigart, F. Karg, and M.Ch. Lux-Steiner, ILGAR-ZnO WEL versus CBD-CdS Buffer: Progress in Thin Film Cu(In,Ga)(S,Se)2 Solar Cells Based on the Novel Window Extension Layer Concept. In: Technical digest of the 12th International Photovoltaic and Engineering Conference (PVSEC-12): Jeju, Korea, June 11-15, 2001. Daejeon: Korea Institute of Energy Research, 2001, p. 489-490. |
2. | H.-J. Muffler, M. Bär, Ch.-H. Fischer, R. Gay, F. Karg, and M.Ch. Lux-Steiner, ILGAR Technology, VIII – Sulfidic Buffer Layers for Cu(In,Ga)(S,Se)2 Solar cells Prepared by Ion Layer Gas Reaction (ILGAR). In: Conference record of the 28th IEEE Photovoltaic Specialists Conference (PVSC-28): Anchorage, AK (USA), September 15-22, 2000. Piscataway, NJ (USA): IEEE, 2000. ISBN: 0-7803-5772-8, p. 610-613. |
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