International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education of Microscale Optoelectronics University 518060’s Republic of China;
Shandong Laboratory of Yantai Advanced Materials and Green Manufacturing 264006’s Republic of China;
Key Laboratory of Material Physics of Physics and Microelectronics University of Education 450052’s Republic of China;
School of Electronics and Information Engineering University 518060’s Republic of China;
Hoffmann Institute of Advanced Materials Polytechnic 518060’s Republic of China;
0D perovskite; Multi-ion doping; Near-unity white light; Energy transfer; Self-trapped excitons;