Findings from Chung-Ang University in Life Science Reported (Carboxylate Pseudo-halide-assisted Crystallization and Antioxidant Strategy for Stable Wide Bandgap Tin Perovskite Photovoltaics).

A study conducted at Chung-Ang University in Seoul, South Korea, has developed a strategy to address challenges in the development of wide-bandgap tin perovskite solar cells (TPSCs). The study introduces carboxylate pseudo-halides as additives to mitigate oxidation and uncontrolled crystal growth in TPSCs. The carboxylate pseudo-halides coordinate with Sn2+ to reduce oxidation and improve stability, resulting in enhanced performance and minimal hysteresis. The research achieved a power conversion efficiency of 10.69% with the carboxylate pseudo-halide-assisted TPSCs, surpassing the control cell's efficiency of 7.43%. The findings demonstrate the potential for stable wide bandgap tin perovskite photovoltaics. [Extracted from the article]