Recent Progress in Perovskite Solar Cell: Fabrication, Efficiency, and Stability

The perovskite solar cells (PSC) are believed to have great potential in solar cell industries, since the dramatic power conversion efficiency (PCE) improvement in such short time (i.e., from 3.8% in 2009 to 25% up to date). Organolead halide perovskite materials are commonly used in the PSC, such as CH3NH3PbI3. In order to improve the PCE, many methods have been taken, such as doping ions in perovskite materials, charge transporting layer modification, microstructure modification, and utilizing advanced fabrication techniques. Besides PCE, stability is also an important issue in PSC, because the perovskite can be easily decomposed with moisture, UV light, and overheating, which is a big challenge for the commercialization of PSCs. This chapter summarizes the latest progress of PSCs and provides some useful insights for future study.