期刊
CHEMICAL COMMUNICATIONS
卷 52, 期 11, 页码 2292-2295出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc09797e
关键词
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资金
- National Basic Research Program of China [2013CB834805, 2015CB655002]
- National Science Fund for Distinguished Young Scholars of China [51125013]
- National Natural Science Foundation of China [91433201, 51573141]
- Innovative Research Group of Hubei Province [2015CFA014]
- Fundamental Research Funds for the Central Universities of China [2042015kf0033]
We designed and synthesized a single polymer with TADF characteristics by grafting the TADF emitter, 10-(4-(5-phenyl-1,3,4-oxadiazol-2-yl) phenyl)-10H-phenoxazine, onto the side chain of the polymer backbone of polycarbazole. Employing these copolymers as emitting layers, an efficient bluish-green polymer LED with a maximum external quantum efficiency of 4.3% was achieved, corresponding to a high exciton utilization efficiency (EUE) of 63.7%.
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