Giray Kartopu, Andrew J. Clayton, William S.M. Brooks, Simon D. Hodgson, Vincent Barrioz, Alban Maertens, Dan A. Lamb and Stuart J.C. Irvine Effect of window layer composition in Cd1−xZnxS/CdTe solar cells Progress in Photovoltaics: Research and Applications 22
CdS window layer thinning is commonly applied to increase photocurrent in chalcogenide solar cells, despite the risk of increased shunting. An alternative approach, by forming compositions of Cd1−xZnxS, is shown to improve the blue response of CdTe solar cells. An optimum Zn content, found to be x ≈ 0.7, boosts the average conversion efficiency by 37%.
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