Realizing high photovoltaic efficiency with parallel multijunction solar cells based on spectrum-splitting and -concentrating diffractive optical element*
Wang Jin-Zea),b),c), Huang Qing-Lia),b),c), Xu Xina),b),c), Quan Bao-Ganga),d), Luo Jian-Henga),b),c), Zhang Yane), Ye Jia-Shenge), Li Dong-Meia),b),c), Meng Qing-Boa),b),c)†, Yang Guo-Zhena),f)‡
       
AM1.5G spectrum,[ 35 ] common solar cells and their band gaps (From wiki). The horizontal arrows show the band gap ranges of compounds.