High-efficiency quantum-dot light-emitting diodes enabled by boosting the hole injection
Chunyan Cheng, Aqiang Liu, Guohang Ba, Ivan S. Mukhin, Fei Huang, Regina M. Islamova, Wallace C. H. Choy, Jianjun Tian
Abstract
We devise a high-carrier-mobility hole-transport layer with less hole loss, obtained via doping poly(9-vinylcarbazole) into poly[(9,9-dioctylfluorenyl-2,7-diyl)- alt -(4,4′-( N -(4-butylphenyl)))], achieving high external quantum efficiency QLEDs (22.7%).
Topics & Concepts
Materials scienceOptoelectronicsQuantum dotDopingBoosting (machine learning)Light-emitting diodeDiodeQuantum efficiencyElectron mobilityComputer scienceMachine learningQuantum Dots Synthesis And PropertiesMolecular Junctions and NanostructuresOrganic Light-Emitting Diodes Research