Achieving high-efficiency purely organic room-temperature phosphorescence materials by boronic ester substitution of phenoxathiine

Mengke Li; Xinyi Cai; Zhenyang Qiao; Kunkun Liu; Wentao Xie; Liangying Wang; Nan Zheng; Shi-Jian Su

doi:10.1039/C9CC02648G

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Achieving high-efficiency purely organic room-temperature phosphorescence materials by boronic ester substitution of phenoxathiine†

Mengke Li,‡^a Xinyi Cai,‡^a Zhenyang Qiao,^a Kunkun Liu,^ab Wentao Xie,^a Liangying Wang,^a Nan Zheng^a and Shi-Jian Su

*^a

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* Corresponding authors

^a State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China
E-mail: mssjsu@scut.edu.cn

^b South China Institute of Collaborative Innovation, Dongguan 523808, China

Abstract

The effect of boronic ester substitution on the room-temperature phosphorescence properties of phenoxathiine-based derivatives was thoroughly investigated. A significantly improved phosphorescence quantum efficiency of up to 20% in the crystalline state was achieved by delicate molecular manipulation for both enhanced spin–orbital coupling and compact intermolecular packing.

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DOI: https://doi.org/10.1039/C9CC02648G
Article type: Communication
Submitted: 05 Apr 2019
Accepted: 23 May 2019
First published: 23 May 2019

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Chem. Commun., 2019,55, 7215-7218

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Achieving high-efficiency purely organic room-temperature phosphorescence materials by boronic ester substitution of phenoxathiine

M. Li, X. Cai, Z. Qiao, K. Liu, W. Xie, L. Wang, N. Zheng and S. Su, Chem. Commun., 2019, 55, 7215 DOI: 10.1039/C9CC02648G

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Chemical Communications

Achieving high-efficiency purely organic room-temperature phosphorescence materials by boronic ester substitution of phenoxathiine†

Abstract

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Achieving high-efficiency purely organic room-temperature phosphorescence materials by boronic ester substitution of phenoxathiine

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