Figure 1: Device architecture and energy level diagram.
From: Inorganic hole conductor-based lead halide perovskite solar cells with 12.4% conversion efficiency
(a) Schematics cross-sectional view of the perovskite solar cell configuration: FTO glass, compact TiO2 underlayer, mesoporous TiO2 with infiltrated CH3NH3PbI3, CuSCN HTM, and gold. (b) Energy level diagram of the TiO2/CH3NH3PbI3/CuSCN/Au device showing ideal electron injection and hole extraction.
