Aggregation-induced emission luminogen with excellent triplet–triplet upconversion efficiency for highly efficient non-doped blue organic light-emitting diodes

Pengbo Han; Chengwei Lin; Kaojin Wang; Yanping Qiu; Haozhong Wu; Anjun Qin; Dongge Ma; Ben Zhong Tang

doi:10.1039/D1MH01129D

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Aggregation-induced emission luminogen with excellent triplet–triplet upconversion efficiency for highly efficient non-doped blue organic light-emitting diodes†

Pengbo Han,^a Chengwei Lin,

^a Kaojin Wang,^a Yanping Qiu,^a Haozhong Wu,^a Anjun Qin,

*^a Dongge Ma

*^a and Ben Zhong Tang

*^ab

Author affiliations

* Corresponding authors

^a State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, Center for Aggregation-Induced Emission, South China University of Technology, Guangzhou, Guangdong 510640, China
E-mail: msdgma@scut.edu.cn, msqinaj@scut.edu.cn

^b Shenzhen Institute of Molecular Aggregate Science and Engineering, School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, 2001 Longxiang Boulevard, Longgang District, Shenzhen City, Guangdong 518172, China
E-mail: tangbenz@cuhk.edu.cn

Abstract

By combining aggregation-induced emission (AIE) effect and a triplet–triplet upconversion (TTU) process, a blue emitter with excellent photoluminescence quantum efficiency and high upconversion efficiency in the film state is developed, from which a highly efficient non-doped blue TTU organic light-emitting diode (TTU-OLED) was realized.

This article is part of the themed collection: Special issue in honour of Seth Marder

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DOI: https://doi.org/10.1039/D1MH01129D
Article type: Communication
Submitted: 16 jul 2021
Accepted: 27 aug 2021
First published: 27 aug 2021

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Mater. Horiz., 2022,9, 376-382

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Aggregation-induced emission luminogen with excellent triplet–triplet upconversion efficiency for highly efficient non-doped blue organic light-emitting diodes

P. Han, C. Lin, K. Wang, Y. Qiu, H. Wu, A. Qin, D. Ma and B. Z. Tang, Mater. Horiz., 2022, 9, 376 DOI: 10.1039/D1MH01129D

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Aggregation-induced emission luminogen with excellent triplet–triplet upconversion efficiency for highly efficient non-doped blue organic light-emitting diodes†

Abstract

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Aggregation-induced emission luminogen with excellent triplet–triplet upconversion efficiency for highly efficient non-doped blue organic light-emitting diodes

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