Continuous-wave lasing from perovskites embedded microcavities

Abstract

The emerging lead halide perovskite materials with a basic form of ABX3 have aroused enormous interest due to their underlying rich physics and promising applications in optics, electronics, and optoelectronics. In particular, trigged by the unprecedented success in photovoltaics, lead halide perovskites have attracted more and more attention because of their superior properties such as a direct-band gap, strong excitonic effects, high quantum efficiency, and broadly tunable emission wavelengths. Besides, the facile solution processability and defect tolerance of metal halide perovskites guarantee low-cost light-emitting devices. In the past few years, significant efforts have been made to achieve lasing emission of metal halide perovskites under pulsed pumping. However, the study of continuous-wave (CW) perovskite laser, which is regarded as a significant milestone towards the electrically pumped laser, is still at the early stage. Thus, further optimization of light-emitting materials and optical I want to thank many people who have helped me during my six and a half year PhD study.First of all, I would like to express my most tremendous gratitude to my dear supervisor Prof.Yu Ting, who gave me a great chance to work and study in his group. His constant supports and encouragements help me to overcome many difficulties in my study. His enthusiasm and