Synthesis and Photochromism Studies of 1-(2-methyl-3-benzothiophene)-2-[2-methyl-5-(4-aminomethanephenyl)-3-thienyl]perfluorocyclopentene

Xiao Rong Dong; Sha Sha Wei; Gang Liu; Shou Zhi Pu

doi:10.4028/www.scientific.net/AMR.886.143

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 886Synthesis and Photochromism Studies of...

Synthesis and Photochromism Studies of 1-(2-methyl-3-benzothiophene)-2-[2-methyl-5-(4-aminomethanephenyl)-3-thienyl]perfluorocyclopentene

Abstract:

A new unsymmetrical photochromic diarylethene compound, 1-(2-methyl-3-benzothiophene)-2-[2-methyl-5-(4-aminomethanephenyl)-3-thienyperfluorocyclopentene (1a) was synthesized, its photochromic properties were examined, the result indicated that the Diarylethene 1a changed the color from colorless to purple upon irradiation with 297 nm UV light, in which absorption maxima were observed at 564 in acetonitrile. The photochromic reaction kinetics indicated that the cyclization processes of 1a belong to the zeroth order reaction and the cycloreversion process belong to the first order reaction. This new photochromic system also exhibited fluorescence switching in acetonitrile solution.

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Periodical:

Advanced Materials Research (Volume 886)

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143-146

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.886.143

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Online since:

January 2014

Authors:

Xiao Rong Dong, Sha Sha Wei, Gang Liu*, Shou Zhi Pu

Keywords:

Diarylethene, Fluorescence Switch, Kinetic, Photochromism

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