A reverse intersystem crossing managing assistant dopant for high external quantum efficiency red organic light-emitting diodes
Dong Jin Shin, Seung Chan Kim, Jun Yeob Lee
Abstract
Assistant dopants with reduced Dexter energy transfer rates were designed by replacing the donor moiety of 2,3,5,6-tetra(9 H -carbazol-9-yl)terephthalonitrile (4CzTPN) with 5 H -benzo[4,5]thieno[3,2- c ]carbazole (BTCz).
Topics & Concepts
Intersystem crossingDopantCarbazoleMoietyMaterials scienceQuantum efficiencyDiodeOLEDPhotochemistryOptoelectronicsEnergy transferQuantumDopingNanotechnologyAtomic physicsStereochemistryPhysicsChemistryQuantum mechanicsExcited stateLayer (electronics)Singlet stateOrganic Light-Emitting Diodes ResearchOrganic Electronics and PhotovoltaicsLuminescence and Fluorescent Materials