兼具聚集诱导发光和激发态分子内质子转移特性的有机小分子发光体

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Abstract When an organic small molecule with aggregation-induced luminescence (AIE) under aggregation or solid state is excited, the excitons will preferably relax in a radiative way owing to the restriction of intramolecular motion, thus triggering the aggregation-state emission. The AIE occurrence conquers the drawback of aggregation-causing quenching existing in traditional organic emitters, and has found wide applications in organic light-emitting diodes, organic lasers, biomedical diagnosis and therapy, etc. Meanwhile, material with excitation-state intramolecular proton transfer (ESIPT) usually exhibits large Stokes shift and therefore can improve the sensitivity of fluorescent probes. Organic small molecule emitters with the combinations of AIE and ESIPT demonstrate superior solid-state luminescence performance. Herein, the recent progress in the AIE-ESIPT organic small molecule emitters is reviewed in terms of their structures, optoelectronic properties and applications.

Key words： aggregation-induced emission excited-state intramolecular proton transfer Stokes shift chemosensing

Published: 01 July 2020

CLC number:

O626

Fund:This work was financially supported by the National Natural Science Foundation of China (51603063), Hubei Provincial Natural Science Foundation (2017CFB489).

About author:: Feiyue Du, master degree candidate of Hubei University. The main research direction is organic luminescence molecular ; Erjing Wang, associate professor, mainly engaged in the research of organic photoelectric functional mate-rials.

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	DU Feiyue
	ZHOU Xu
	XIE Shumei
	WANG Erjing
	WANG Shimin

Cite this article:

DU Feiyue,ZHOU Xu,XIE Shumei, et al. Organic Small Molecule Emitters Possessing Aggregation-induced Emission andExcited-stated Intramolecular Proton Transfer: a Review[J]. Materials Reports, 2020, 34(Z1): 498-502.

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http://www.mater-rep.com/EN/ OR http://www.mater-rep.com/EN/Y2020/V34/IZ1/498

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