Factors influencing the performance of paintable carbon-based perovskite solar cells fabricated in ambient air

Xu Wei-Kang, Chen Feng-Xiang^†, Cao Gong-Hui, Wang Jia-Qi, Wang Li-Sheng

(color online) Cross-sectional SEM images of (a) W/O-40, (b) CB-30, (c) TL-30, and (d) DE-30 PSCs. The scale bars represent 1 μ m . (e) A simulated diagram of the perovskite/carbon electrode interface.