Phosphine oxide modulator-ameliorated hole injection for blue perovskite light-emitting diodes
Xiangyang Fan, Yu Wang, Xinyu Shen, Zhongkai Yu, Woo Hyeon Jeong, Ji Won Jang, Yeong Gyeong Kim, Seung‐Je Woo, Hyungju Ahn, Hyosung Choi, Tae‐Woo Lee, Sung Heum Park, Feng Gao, Bo Ram Lee
Abstract
TMFPPO is developed and incorporated into PVK to modulate the hole mobility and energy level of the hole-transport layer, giving rise to a barrier-free blue perovskite light-emitting diode and an enhancement of the EQE from 4.95 to 7.23% at 477 nm.
Topics & Concepts
Perovskite (structure)Blue lightDiodeOptoelectronicsLight-emitting diodeMaterials scienceOLEDOxidePhosphine oxidePhosphineLayer (electronics)ChemistryNanotechnologyBiochemistryCatalysisCrystallographyMetallurgyPerovskite Materials and ApplicationsOrganic Light-Emitting Diodes ResearchOrganic Electronics and Photovoltaics