Lecture by Researcher Chuanjiang Qin (Dec 3, 2019) Title：Exciton regulation of high-efficiency quasi-two-dimensional perovskite light-emitting diodes Lecturer：Researcher Chuanjiang Qin(Changchun Institute of Applied Chemistry, Chinese Academy of Sciences) Time：9:00-11:00 a.m., Dec 3rd,2019（Tuesday） Place：VIP Room at 1st floor, Chemistry Building(West)
