Recent progress of colloidal quantum dot based solar cells
Wei Huiyun1, Li Dongmei2, 3, †, Zheng Xinhe1, ‡, Meng Qingbo2, 3
       

(color online) (a) A modified passivation method toward the photoanode by using an amorphous TiO2 (am-TiO2)/ZnS/SiO2 barrier layer, and (b) CdSeTe QDSCs based on this passivation method exhibit a PCE of 9.28%.[69]