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A new photochromic diarylethene compound 1-(2, 4-dimethyl-thiazole-5-yl)-2-[2-methyl-5-(2-trifluorophenyl)-3-thien yl]perfluorocyclopentene (1a) was synthesized and its photochromic properties, fluorescence switch and polarization optical recording were investigated in detail. The diarylethene 1a showed excellent photochromic properties upon UV or visible light irradiation, which changed the color...
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