钙钛矿中离子迁移的实时观测及其对LED及电池器件稳定性的影响研究Real-time Observation of Ion Migration in Perovskite LED and Its Influence on Device Stability李澄厦门大学微电子与集成电路系副主任 副教授LI ChengAssociate Professor, Department of Microelectronics and Integrated Circuits, Xiamen University