Balancing protection and charge transport of an aggregation-induced delayed fluorescence luminogen for optimizing electrochemiluminescence

Yongjing Chen; Junting Hong; Xianxi Liang; Shulin Li; Yuwei Zhang; Xingzi Zou; Yu Bao; Zujin Zhao; Li Niu; Baohua Zhang

doi:10.1039/D5CC07369C

Balancing protection and charge transport of an aggregation-induced delayed fluorescence luminogen for optimizing electrochemiluminescence

Yongjing Chen,^a Junting Hong,^c Xianxi Liang,^a Shulin Li,^a Yuwei Zhang,^c Xingzi Zou,^a Yu Bao,^a Zujin Zhao,*^d Li Niu

^ae and Baohua Zhang

*^ab

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* Corresponding authors

^a Center for Advanced Analytical Science, Guangzhou Key Laboratory of Sensing Materials and Devices, Guangdong Engineering Technology Research Center for Photoelectric Sensing Materials and Devices, c/o School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
E-mail: ccbhzhang@gzhu.edu.cn

^b State Key Laboratory of Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China

^c GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, and Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou 510006, China

^d State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China
E-mail: mszjzhao@scut.edu.cn

^e School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai, China

Abstract

This study highlights the necessity of ratio-optimized insulating shielding protection for bare aggregation-induced delayed fluorescence luminophores, achieving a 127-fold electrochemiluminescence (ECL) enhancement in aqueous media through the synergistic trade-off between restraining oxygen triplet-quenching and interfacial charge transport.

Chemical Communications

Balancing protection and charge transport of an aggregation-induced delayed fluorescence luminogen for optimizing electrochemiluminescence

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Balancing protection and charge transport of an aggregation-induced delayed fluorescence luminogen for optimizing electrochemiluminescence

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