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Pyramid textured all-back-contact thin-film silicon solar cell

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Abstract

Enhancing the light absorption in thin-film silicon solar cells is important for improving efficiency and reducing cost. We introduce all-back-contact ultra-thin silicon solar cells with wet-etched pyramid textures on top of the solar cell which, at present, has an efficiency (8%) of the solar cells compared with that of the planar solar cell (4.8%).

© 2015 Optical Society of America

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