Abstract
A new photochromic compound 1-(2,5-dimethyl-3-thienyl)-2-(2-methyl-5-(1-formyl-2- methoxyl-5-phenyl)-3-thienyl)perfluorocyclopentene (1a) was synthesized, its photochromic properties were examined, the result indicated that the color of the compound 1a changed from colorless to a purple one upon irradiation with 297 nm UV light, a new absorption maxima were observed at 542 and 557 nm in hexane and PMMA film, respectively. The new photochromic compound also exhibited remarkable optical recording character.
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