The Chinese Academy of Sciences has unveiled a high-efficiency perovskite solar cell with a purported peak efficiency rating of 26.1%, by using 1-(Phenylsulfonyl)pyrrole (PSP) as an additive.

Chinese solar module producer JinkoSolar said it has achieved a 33.84% power conversion efficiency for a perovskite-silicon tandem solar cell based on n-type wafers. The company said the results ...