Cu substitution boosts self-trapped exciton emission in zinc-based metal halides for sky-blue light-emitting diodes
Miao Ren, Shuai Zhang, Tong Chang, Jiandong Yao, Yilin Gao, Mingjian Yuan, Sheng Cao, Jialong Zhao, Bingsuo Zou, Ruosheng Zeng
Abstract
The PLQY of Cu:(PEA) 2 ZnX 4 metal halides was greatly boosted after Cu substitution and photophysical mechanisms are revealed. Further, Cu:(PEA) 2 ZnX 4 was used as the active layer and sky-blue light-emitting diodes were prepared for the first time.
Topics & Concepts
HalideMaterials scienceDiodeLight-emitting diodeZincBlue lightOptoelectronicsSubstitution (logic)MetalPhotochemistryExcitonSkyInorganic chemistryChemistryPhysicsMetallurgyComputer scienceQuantum mechanicsProgramming languageAstrophysicsPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchInorganic Chemistry and Materials