School of Environmental Science and Engineering;
Frontiers Science Center for Transformative Molecules;
Shanghai Jiao Tong University;
Shanghai 200240;
China;
Shanghai Non-carbon Energy Conversion and Utilization Institute;
Shanghai 200240;
China;
State Key Laboratory of Metal Matrix Composites;
Shanghai Jiao Tong University;
Shanghai 200240;
China;
In-situ phase transformation; Secondary growth; CsPbI_(3)inorganic perovskite; Zero-dimension perovskite; Inorganic perovskite solar cell;