Trifluoromethane modification of thermally activated delayed fluorescence molecules for high-efficiency blue organic light-emitting diodes†,Chemical Communications

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Trifluoromethane modification of thermally activated delayed fluorescence molecules for high-efficiency blue organic light-emitting diodes†
Chemical Communications ( IF 4.3 ) Pub Date : 2018-07-03 00:00:00 , DOI: 10.1039/c8cc03425g
Masayuki Yokoyama _{1,

2,

3,

4,

5} , Ko Inada _{2,

3,

4,

6,

7} , Youichi Tsuchiya _{2,

3,

4,

6,

7} , Hajime Nakanotani _{1,

2,

3,

4,

6} , Chihaya Adachi _{1,

2,

3,

4,

6}

Affiliation

Highly efficient blue and green thermally activated delayed fluorescence (TADF) molecules bearing trifluoromethane-modified carbazole groups were developed. The trifluoromethane groups on carbazole induced blue-shifted emission and improved the photoluminescence quantum yield. The photostability of the TADF molecules was strongly related to the modification position of trifluoromethane on carbazole.

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