期刊
ADVANCED MATERIALS
卷 28, 期 16, 页码 3122-3130出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201506286
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资金
- NSFC [61176020, 51373050]
- New Century Excellent Talents Supporting Program of MOE [NCET-12-0706]
- Program for Innovative Research Team in University (MOE) [IRT-1237]
- Science and Technology Bureau of Heilongjiang Province [ZD201402, JC2015002]
- Education Bureau of Heilongjiang Province [2014CJHB005]
- Fok Ying-Tong Education Foundation for Young Teachers in the Higher Education Institutions of China [141012]
- Harbin Science and Technology Bureau [2015RAYXJ008]
A universal thermally activated delayed beta uorescence (TADF) host, 4'-diphenyl phosphinoylspiro[fluorene-9,9'-xanthene] (SFXSPO), is constructed with a highly distorted and asymmetric configuration and disordered molecular packing in its solid state. SFXSPO successfully endows its full-color TADF diodes with state-of-the-art performance, e.g., the record external quantum efficiency of 22.5% and 19.1% and internal quantum efficiency of approximate to 100% for its yellow TADF diodes and single-host full-TADF nearly-white-emitting devices, respectively.
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