Michael J. Chang, LLC
Techniques for enhancing performance of photovoltaic devices
Techniques for improving energy conversion efficiency in photovoltaic devices are provided. In one aspect, an antimony (Sb)-doped film represented by the formula, Cu1-yIn1-xGaxSbzSe2-wSw, provided, wherein: 0≦x≦1, and ranges therebetween; 0≦y≦0.2, and ranges therebetween; 0.001≦z≦0.02, and ranges therebetween; and 0≦w≦2, and ranges therebetween. A photovoltaic device incorporating the Sb-doped CIGS film and a method for fabrication thereof are also provided.
International Business Machines Corporation
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David B. Min Wei
Mitzi Yuan Liu