Importance of ligands on TiO2 nanocrystals for perovskite solar cells
Zhao Yao, Zhao Yi-Cheng, Zhou Wen-Ke, Fu Rui, Li Qi, Yu Da-Peng, Zhao Qing †
       

(color online) (a) Cross-section SEM image of perovskite solar cells. (b) I–V curves of perovskite solar cells with different TiAc2 content. (c) PCE changes with TiAc2 addition variation. (d) Steady-state PL spectra of perovskite film on glass substrate. (e) Time-resolved PL decay spectra.