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Aggregation‐induced emission properties of pyridyl‐containing tetra‐arylethenes
Author(s) -
Zhang Shuwei,
Li Dong,
Wang Xinyao,
Fan Jie,
Wang Ting,
Yu Shangkui,
Liao Wenyi,
Jia Xiaodong,
Yuan Yu
Publication year - 2021
Publication title -
luminescence
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.428
H-Index - 45
eISSN - 1522-7243
pISSN - 1522-7235
DOI - 10.1002/bio.4023
Subject(s) - tetra , aggregation induced emission , fluorophore , photochemistry , chemistry , solvent , fluorescence , organic chemistry , medicinal chemistry , optics , physics
Tetra‐arylethene is one of the most important aggregation‐induced emission (AIE) fluorophores. The electronic effect usually plays a vital role in their optical properties. However, the relationship between AIE property and electronic effect in the same fluorophore is rarely studied. Here, we designed and synthesized a series of pyridyl‐containing tetra‐arylethenes, whose electronic densities could be easily adjusted by the N ‐oxide or N ‐methylation of their pyridyl moieties. The optical data of these compounds at aggregation in different solvent systems or solid state exhibited obviously different AIE properties compared with the classic AIE‐active tetraphenylethene (TPE).

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