Water- and heat-activated dynamic passivation for perovskite photovoltaics

Wei Ting Wang, Philippe Holzhey, Ning Zhou, Qiang Zhang, Suer Zhou, Elisabeth A. Duijnstee, Kevin J. Rietwyk, Jeng Yu Lin, Yijie Mu, Yanfeng Zhang, Udo Bach, Chun Guey Wu, Hin‐Lap Yip, Henry J. Snaith, Shien Ping Feng