Photochromism Properties of a New Unsymmetrical Diarylethene Bearing a Benzene Unit

Abstract:

A new photochromic diarylethene compound 1-[(2-methyl-5-(4-trifluoromethyphenyl)-3-thienyl)]-2-{2-methyl-5-[2-(1,3-dioxolane)]-3-thienyl} perfluorocyclopentene 1O was synthesized. Its optoelectronic properties, such as photochromism in solution as well as in poly-methylmethacrylate (PMMA) amorphous films, fluorescences switch were investigated in detail. Upon irradiated UV light it changes from colorless to purple in solution and PMMA amorphous film, respectively. Finally, the diarylethene 1O was exhibited remarkable fluorescence switch properties along with the cyclization reactions. When the concentration arrived at 1 × 10^-5 mol L^-1, the fluorescence peak had the maximum.

• Periodical: Advanced Materials Research (Volume 830)
• Pages: 266-269
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.830.266
• Online since: October 2013
• Authors: Pan Pan Ren, Ren Jie Wang, Shou Zhi Pu
• Keywords: Concentration Effect, Diarylethene, Fluorescence, Photochromism

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