Ester-functionalized thermally activated delayed fluorescence materials

Hiroshi Tasaki; So Shikita; In Seob Park; Takuma Yasuda

doi:10.1039/D1TC04933J

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Ester-functionalized thermally activated delayed fluorescence materials†

Hiroshi Tasaki,^ab So Shikita,^ab In Seob Park^a and Takuma Yasuda

*^ab

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* Corresponding authors

^a INAMORI Frontier Research Center (IFRC), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: yasuda@ifrc.kyushu-u.ac.jp

^b Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

Abstract

A family of thermally activated delayed fluorescence (TADF) materials functionalized with carboxylate esters is presented herein. Owing to their suppressed concentration-quenching effect in neat films, these ester-functionalized TADF emitters could be applied to the fabrication of non-doped organic light-emitting diodes, demonstrating high external electroluminescence quantum efficiencies of 6.3–18.7%.

This article is part of the themed collection: Materials for thermally activated delayed fluorescence and/or triplet fusion upconversion

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Article information

DOI: https://doi.org/10.1039/D1TC04933J
Article type: Communication
Submitted: 14 out 2021
Accepted: 01 nov 2021
First published: 01 nov 2021

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J. Mater. Chem. C, 2022,10, 4574-4578

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Ester-functionalized thermally activated delayed fluorescence materials

H. Tasaki, S. Shikita, I. S. Park and T. Yasuda, J. Mater. Chem. C, 2022, 10, 4574 DOI: 10.1039/D1TC04933J

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Journal of Materials Chemistry C

Ester-functionalized thermally activated delayed fluorescence materials†

Abstract

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Ester-functionalized thermally activated delayed fluorescence materials

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