柔性钙钛矿太阳能电池机械稳定性研究进展

Perovskite solar cells (PSCs) attract great attention from the scientific community due to their low cost, high performance, and rapid increase in photoelectric conversion efficiency (PCE) from 3.8% to 25.5%. Compared with rigid perovskite solar cells, flexible perovskite solar cells (FPSCs) deposited on polymer substrates are considered to be more suitable for commercial application with their intrinsic advantages in lightweight and bendability. However, a gap presents between the photovoltaic performance of FPSCs and rigid PSCs, and the mechanical instability of FPSCs is still a critical concern for commercial application. In this review, the recent research progress on improving the mechanical stability of FPSCs is summarized and discussed through two main aspects: particle regulation and structure innovation, which could provide valuable suggestions for future research efforts in this area and the engineering application of FPSCs. On the other hand, the research advances in FPSCs-based self-powering sensors are introduced and discussed, illustrating the next-stage breakthroughs, possible innovation designs, and future developments of FPSCs.