Polar Methylammonium Organic Cations Detune State Coupling and Extend Hot-carrier Lifetime in Lead Halide PerovskitesCheng Wang & Weibin Chu & Feihong Ye & Zhenwei Ou & Zhe Li & Quanbing Guo & Zhuo Zheng & Zhiping Wang & Xiaoze Liu & Guojia Fang & Oleg Prezhdo & Ti Wang & Hongxing Xu2022PDF2.6 MBEN