期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 6, 期 18, 页码 5012-5017出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8tc00546j
关键词
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资金
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT, and Future Planning [2016R1A2B3008845]
- National Research Foundation of Korea [2016R1A2B3008845, 2015R1A6A1A03031833] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Deep blue thermally activated delayed fluorescent (TADF) emitters having carbazole derivatives as donors and CN-modified indolocarbazole as an acceptor were developed. Indolocarbazole moiety modified by CN was an acceptor of all the carbazole-based TADF emitters, and carbazole and t-butylcarbazole were donors combined with the CN-modified indolocarbazole. The carbazole-based TADF emitters showed a narrow emission spectrum with a less than 60 nm full width at half maximum, deep blue emission color with a y color coordinate below 0.13, and a high external quantum efficiency of 16.0%.
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