Interface engineering improves the performance of green perovskite light-emitting diodes
Minglei Guo, Yu Lu, Xiao‐Yi Cai, Yang Shen, Xiaoyan Qian, Hao Ren, Yanqing Li, Wenjun Wang, Jianxin Tang
Abstract
A facile and reliable crystallization manipulation strategy has been proposed to enhance the radiative recombination and carrier transport capacity of the perovskite layer by modifying the underneath substrate with ammonium thiocyanate. The EQE of PeLEDs is boosted from 3.2% to 14.7%.
Topics & Concepts
Materials sciencePerovskite (structure)Substrate (aquarium)Interface (matter)OptoelectronicsDiodeLayer (electronics)CrystallizationThiocyanateAmmonium thiocyanateChemical engineeringNanotechnologyComposite materialInorganic chemistryChemistryCapillary actionOceanographyEngineeringGeologyCapillary numberPerovskite Materials and ApplicationsQuantum Dots Synthesis And PropertiesOrganic Light-Emitting Diodes Research