期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 50, 期 -, 页码 111-114出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.02.001
关键词
Delayed fluorescence; Dibenzothiophene; Dimethylacridine; Green device
资金
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [2016R1A2B3008845]
2,8-Bis(9,9-dimethylacridin-10(9H)-yl)dibenzo[b,d]thiophene 5,5-dioxide (AcDBTO) was developed as a dibenzothiophene-dioxide acceptor based emitter for use as a thermally activated delayed fluorescent emitter for color tunable organic light-emitting diodes. The dibenzothiophene-dioxide acceptor was modified with two strongly electron donating dimethylacridine donors, which enabled delayed fluorescence behavior in the AcDBTO emitter. The AcDBTO based device demonstrated quantum efficiency of 14.5% as a green delayed fluorescent device and wide emission wavelength from 502 nm to 525 nm with little change of the quantum efficiency. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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