Defect-Triggered Phase Transition in Cesium Lead Halide Perovskite Nanocrystals

This work was supported by the National Natural Science Foundation of China (Grant Nos. 11874275 and 11574225) and two projects funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD) and the State Key Laboratory of Luminescence and Applications, Chinese Academy of Sciences. The SPring-8 experiment was carried out with the approval of the Japan Synchrotron Radiation Research Institute (JASRI; Proposal No. 2017B1309). Computational work was supported by the Supercomputing Laboratory at King Abdullah University of Science and Technology (KAUST).