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

(color online) (a) FESEM image of graphene hydrogels (GHs)-CuS hybrid. (b) Fabrication of GH-CuS CE and the cell performance of CdSeTe QDSCs with various CEs.[80]