上海疚通大￥ SHANGHAI JIAO TONG UNIVERSITY Solar Cells Background Efficiency in chemical compound solar cells.. ·CdTe-22.16 CulnGaSe2 -22.6% ·GaAs-38.8% versus monocrystalline silicon ·24.1%world record▪ Efficiency in chemical compound solar cells… ▪ CdTe - 22.1% ▪ CuInGaSe2 - 22.6% ▪ GaAs - 38.8% ▪ …versus monocrystalline silicon ▪ 24.1% world record Solar Cells Background