Synthesis and Properties of 1-(2-Cyano-1,5-Dimethyl-4-Pyrryl)-2-{2-Methyl-[5-(4-Methylene-Hydroxyl)Phenyl]-3-Thienyl}Perfluorocyclopentene

Fang Duan; Gang Liu

doi:10.4028/www.scientific.net/AMM.662.83

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 662Synthesis and Properties of...

Synthesis and Properties of 1-(2-Cyano-1,5-Dimethyl-4-Pyrryl)-2-{2-Methyl-[5-(4-Methylene-Hydroxyl)Phenyl]-3-Thienyl}Perfluorocyclopentene

Abstract:

A new asymmetrical photochromic diarylethene 1-(2-cyano-1,5-dimethyl-4-pyrryl)-2-{2-methyl-[5-(4-methylene-hydroxyl) phenyl]-3-thienyl} perflu-orocyclopentene (1o) was synthesized and its photochromic properties were investigated systematically. Upon irradiation with 297 nm UV light, 1o exhibited photochromism in acetonitrile solution and in a PMMA amorphous film. The kinetic experiments showed that the cyclization and cycloreversion processes were zeroth and first order reaction, respectively. In addition, diarylethene 1o also exhibited obvious fluorescence switches along with the photochromism.

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Applied Mechanics and Materials (Volume 662)

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83-86

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.662.83

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Online since:

October 2014

Authors:

Fang Duan, Gang Liu*

Keywords:

Diarylethene, Fluorescence, Kinetic, Photochromism

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