Journal
DYES AND PIGMENTS
Volume 139, Issue -, Pages 118-128Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2016.11.054
Keywords
Aggregation-induced emission; Bisthienylethene; Tetraphenylethene; Triphenylethene; Photochromism
Funding
- Programme of Introducing Talents of Discipline to Universities [B16017]
- NSFC [21421004, 21476075, 21372194, 21272072]
- Fundamental Research Funds for the Central Universities
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A series of new diarylethene compounds with both photochromism and aggregation-induced emission have been synthesized by connecting tetraphenylethene and triphenylethene to the bisthienylethene. All the four compounds exhibit good photochromism upon irradiation with alternative UV and visible light. And they are all provided with aggregation-induced emission properties in tetrahydrofuran solution with different fraction of water, non-emissive in the pure tetrahydrofuran solution but yellowish green fluorescence in the aggregate or solid state. Furthermore, the compounds connecting tetraphenylethene to the bisthienylethene were found to exhibit the stronger fluorescence emission in the aggregate or solid state than the ones connecting triphenylethene to the bisthienylethene. (C) 2016 Elsevier Ltd. All rights reserved.
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