The Main Progress of Perovskite Solar Cells in 2020-2021

Perovskite solar cells (PSCs) emerging as a promising photovoltaic technology with high efficiency and low manufacturing cost have attracted the attention from all over the world. Both the efficiency and stability of PSCs have increased steadily in recent years, and the research on reducing lead leakage and developing eco-friendly lead-free perovskites pushes forward the commercialization of PSCs step by step. This review summarizes the main progress of PSCs in 2020 and 2021 from the aspects of efficiency, stability, perovskite-based tandem devices, and lead-free PSCs. Moreover, a brief discussion on the development of PSC modules and its challenges toward practical application is provided.

Automated summary

Perovskite solar cells have been recognized as a promising photovoltaic technology with high efficiency and low manufacturing cost. Recent progress has focused on increasing efficiency and stability, as well as developing lead-free perovskites to advance commercialization. The main advancements in 2020 and 2021 include improvements in efficiency, stability, perovskite-based tandem devices, and lead-free technology, with discussions on module development and challenges in practical application.