Issue 59, 2018
From the journal:

Chemical Communications

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

Masayuki Yokoyama,ab   Ko Inada,cd   Youichi Tsuchiya,*cd   Hajime Nakanotani*acd  and  Chihaya Adachi ORCID logo *acde  

* Corresponding authors

a Department of Chemistry and Biochemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

b Functional Organic Materials Group, Toyobo Co., Ltd, Research Center, 2-1-1 Katata, Otsu, Shiga 520-0292, Japan

c Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: tsuchiya@opera.kyushu-u.ac.jp, nakanotani@cstf.kyushu-u.ac.jp, adachi@cstf.kyushu-u.ac.jp

d JST, ERATO, Adachi Molecular Exciton Engineering Project, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

e International Institute for Carbon Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

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.

Graphical abstract: Trifluoromethane modification of thermally activated delayed fluorescence molecules for high-efficiency blue organic light-emitting diodes

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Article information

DOI
https://doi.org/10.1039/C8CC03425G
Article type
Communication
Submitted
01 May 2018
Accepted
02 Jul 2018
First published
03 Jul 2018

Chem. Commun., 2018,54, 8261-8264

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

M. Yokoyama, K. Inada, Y. Tsuchiya, H. Nakanotani and C. Adachi, Chem. Commun., 2018, 54, 8261 DOI: 10.1039/C8CC03425G

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