Synthesis and Photochromism Studies of 1-(2,5-Dimethyl-3-Thienyl)-2-[2-Methyl-5- Pyrenyl-3-Thienyl]Perfluorocyclopentene

Xiao Rong Dong; Ren Jie Wang; Shou Zhi Pu

doi:10.4028/www.scientific.net/AMM.662.79

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 662Synthesis and Photochromism Studies of...

Synthesis and Photochromism Studies of 1-(2,5-Dimethyl-3-Thienyl)-2-[2-Methyl-5- Pyrenyl-3-Thienyl]Perfluorocyclopentene

Abstract:

A new unsymmetrical photochromic diarylethene 1o, which contains condensed nucleus was synthesized. Its photochromic both in hexane solution and in PMMA film and kinetics experiment were investigated in detail. The result indicated that this diarylethene had reversible photochromism, changing the color from colorless to purple in hexane solution upon appropriate irradiation with 297 nm UV light, respectively. What’s more, The kinetic experiments showed that the cyclization and cycloreversion processes were zeroth and first order reaction, respectively. This new photochromic system also exhibited fluorescence switching in acetonitrile solution.

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Periodical:

Applied Mechanics and Materials (Volume 662)

Pages:

79-82

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.662.79

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Online since:

October 2014

Authors:

Xiao Rong Dong, Ren Jie Wang*, Shou Zhi Pu

Keywords:

Condensed Nucleus, Diarylethene, Fluorescence Switch, Kinetic, Photochromism

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