Perovskite solar cells are affordable and work well but don’t last. A method fixes this problem without common trade-offs.

A team led by Professor Zhou Huanping from Peking University has published two papers in the field of perovskite solar cells ...

A seed crystal can be dropped into a saturated solution of sodium acetate. The solution will suddenly crystallize and turn to solid. Alternately, the solution may be slowly poured out onto a seed ...