Regulated crystallization with minimized degradation for pure-red lead-free perovskite light-emitting diodes
Zong-Guang Ma, Yang Shen, Kai Zhang, Long-Xue Cao, Hao Ren, Wei-Shuo Chen, Huaixin Wei, Yanqing Li, Satoshi Kera, Jianxin Tang
Abstract
Inhibition of the Sn 2+ oxidation process and reduction of perovskite crystallization rate are achieved simultaneously by using bifunctional small molecular additives, yielding a red-emission device with CIE coordinates matching the BT.2020 standard.
Topics & Concepts
Materials scienceCrystallizationPerovskite (structure)Degradation (telecommunications)BifunctionalDiodeOptoelectronicsChemical engineeringCatalysisOrganic chemistryChemistryElectronic engineeringEngineeringPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchOrganic and Molecular Conductors Research