Boosting the stability of perovskites with exsolved nanoparticles by B-site supplement mechanism

Abstract

The instability of perovskites with exsolved nanoparticles for CO2 electrocatalysis impedes their practical applications. Here, the authors show the formation of B-site vacancies in perovskite substrate as a major contributor to the degradation and report a strategy to enhance the stability of the perovskites at high voltages.