Abstract
The quest for understanding and especially controlling the reversible light induced changes in a-Si:H based materials has been ongoing for the last twenty years. This has been accompanied by a corresponding large effort in minimizing their effects on more efficient a-Si:H based solar cells. Despite the complexities in both the phenomena as well as the solar cells, progress has been made in both the scientific and technological arenas. This paper briefly reviews primarily studies on the characterization and reduction of the metastable changes in materials and the correlation of these changes with those in efficient solar cells. It will discuss the impact of studies on materials as well as the continuous advances made with “engineering” of solar cell structures on their improved stabilized performance.
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Acknowledgement
I would like first to acknowledge the huge contributions that Dr. David Staebler has made in these fields. I would also like to acknowledge helpful discussions with Drs. D. Carlson, R.W. Collins, R. Crandall, and G. Ganguly and L Yang.
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Wronski, C.R. The Light Induced Changes in A-Si: H Materials and Solar Cells-Where We are Now. MRS Online Proceedings Library 467, 7–17 (1997). https://doi.org/10.1557/PROC-467-7
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DOI: https://doi.org/10.1557/PROC-467-7