Regulation of excited-state properties of dibenzothiophene-based fluorophores for realizing efficient deep-blue and HLCT-sensitized OLEDs
Jichen Lv, Yumiao Huo, Shu Xiao, Zhennan Zhao, Ling Peng, Yuchao Liu, Zhongjie Ren, Dongge Ma, Shian Ying, Shouke Yan
Abstract
High external quantum efficiencies of 7.08% and 27.30% and low efficiency roll-off are achieved simultaneously based on HLCT-sensitized fluorescent and phosphorescent OLEDs.
Topics & Concepts
OLEDDibenzothiophenePhosphorescenceFluorescenceMaterials scienceExcited stateOptoelectronicsPhotochemistryQuantum efficiencyNanotechnologyChemistryOpticsLayer (electronics)PhysicsAtomic physicsMetallurgySulfurOrganic Light-Emitting Diodes ResearchLuminescence and Fluorescent MaterialsOrganic Electronics and Photovoltaics