Abstract
A novel asymmetrical photochromic diarylethene compound 1-(3,5-dimethyl-4-isoxazolyl)-2-(2-methyl-3- benzothiophenyl)perfluorocyclopentene ( 1o ) has been synthesized, its photochromic properties and fluorescent properties were investigated in detail, such as photochromic, fluorescence switch and kinetics experiments, and its optoelectronic properties. The maxima absorption of compound closed-ring isomer 1c is 536 nm. Its fluorescence intensity decreased along with the photochromism from open- ring isomers to closed-ring isomers upon irradiation with 297 nm UV light. The kinetic experiments showed that the cyclization and cycloreversion processes were zeroth and first order reaction, respectively.
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