Third-party-funded project
Title:
Development and characterization of novel window and buffer layers for CIGS thin film solar cells
Project management at the University of Würzburg:
Participating scientists:
Abstract:
Development of alternative buffer layers for thin film solar cells, which are intended to replace the currently used CdS buffer layer. Spectroscopic analysis of the chemical and electronic properties of the interfaces between buffer layer and absorber (window layer).
Projekt period:
from 05.2000 to 12.2002
Funding institution:
Wirtschaftsunternehmen ( Siemens AG/Shell Solar )
Preceding project:
FORSOL (Bayer. Forschungsstiftung)
Publications:
- C. Heske, U. Groh, L. Weinhardt, O. Fuchs, B. Holder, E. Umbach, C. Bostedt, L.J. Terminello, S. Zweigart, T.P. Niesen und F. Karg.
(2002). "Damp-heat induced sulfate formation in Cu(In,Ga)(S,Se)2?based thin film solar cells?. Appl. Phys. Lett. 81, 4550 (2002), (scientific article)
- M. Morkel, L. Weinhardt, B. Lohmüller, C. Heske, E. Umbach, W. Riedl, S. Zweigart und F. Karg.
(2001). "Flat conduction band alignment at the CdS/CuInSe2 thin film solar cell heterojunction". Appl. Phys. Lett. 79 , 4482 (2001), (scientific article)
- 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 und F. Karg.
(2001). "X-ray Emission Spectroscopy of Cu(In,Ga)(S,Se)2-based thin film solar cells: electronic structure, surface oxidation, and buried interfaces". phys.stat.sol. (a) 187, 13 (2001), (scientific article)
- 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 und F. Karg.
(2000). "Semiquantitative and non-destructive analysis of impurities at a buried interface: Na and the CdS/Cu(In,Ga)Se2 heterojunction". Surf. Interface Anal. 30, 459 (2000), (scientific article)
- D. Eich, U. Herber, U. Groh, U. Stahl, C. Heske, M. Marsi, M. Kiskinova, W. Riedl, R. Fink und E. Umbach.
(2000). "Lateral Inhomogeneities of Cu(In,Ga)Se2 Absorber Films". Thin Solid Films 361-362, 258 (2000), (scientific article)
- 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 und F. Karg.
(2000). "Self-Limitation of Na content at the CdS/Cu(In,Ga)Se2 solar cell heterojunction". Thin Solid Films 361-362, 360 (2000), (scientific article)
- 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 und F. Karg.
(1999). "Localization of Na impurities at the buried CdS/Cu(In,Ga)Se2 heterojunction". Appl. Phys. Lett. 75, 2028 (1999), (scientific article)
- 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 und F. Karg.
(1999). "Observation of intermixing at the buried CdS/Cu(In,Ga)Se2 thin film solar cell heterojunction". Appl. Phys. Lett. 74, 1451 (1999), (scientific article)
- L. Weinhardt, M. Morkel, Th. Gleim, S. Zweigart, T.P. Niesen, F. Karg, C. Heske und E. Umbach.
(2002). ?Band alignment at the CdS/CuIn(S,Se)2 heterojunction in thin film solar cells?. In Proc. 17th European Photovoltaic Solar Energy Conference, Oktober 2001, München, S. 1261 . (meeting publication)