ZnO:Al with tuned properties for photovoltaic applications: thin layers and high mobility material

Florian Ruske; Robert Rößler; Mark Wimmer; Steffi Schönau; Stefan Kämpfer; Max Hendrichs; Sebastian Neubert; Lars Korte; Bernd Rech

doi:10.1117/12.2001290

18 March 2013 ZnO:Al with tuned properties for photovoltaic applications: thin layers and high mobility material

Florian Ruske, Robert Rößler, Mark Wimmer, Steffi Schönau, Stefan Kämpfer, Max Hendrichs, Sebastian Neubert, Lars Korte, Bernd Rech

Author Affiliations +

Proceedings Volume 8626, Oxide-based Materials and Devices IV; 86260Y (2013) https://doi.org/10.1117/12.2001290
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

TCO films are crucial components of almost all thin-film solar cells and a-Si:H/c-Si heterojunction solar cells. As they are used as front contacts, the requirements for electrical conductivity and optical trnamission are generally very high. Further restrictions are imposed onto the deposition process by the cell manufacturing process, in which e.g. the maximum substrate temperature can be limited. In this paper the optimization of ZnO:Al layer deposited by magnetron sputtering to different solar cells is discussed. For a-Si:H/c-Si heterojunction solar cells the advantages and limitations of different variations of magnetron sputtering of ZnO:Al are discussed and compared to standard ITO deposition. For a-Si:H/μc-Si:H the usage of post-deposition treatments to improve the optical and electrical performance is briefly discussed.

Citation Download Citation

Florian Ruske, Robert Rößler, Mark Wimmer, Steffi Schönau, Stefan Kämpfer, Max Hendrichs, Sebastian Neubert, Lars Korte, and Bernd Rech "ZnO:Al with tuned properties for photovoltaic applications: thin layers and high mobility material", Proc. SPIE 8626, Oxide-based Materials and Devices IV, 86260Y (18 March 2013); https://doi.org/10.1117/12.2001290

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