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A unsymmetrical photochromic diarylethene, 1-[2-methyl-5-(2-fluorophenyl)-3-thienyl]-2-(2-cyano-1,5-dimethyl-4-pyrryl)perfluorocyclopentene (lo), was synthesized, and its optoelectronic properties were also investigated. The results showed that this compound exhibited reversible photochromism, changing from colorless to blue after irradiation with UV light both in solution and in PMMA amorphous film...
A new photochromic diarylethene, 1-(2,4-dimethyl-5-thiazolyl)-2-[5-(2,4-difluorophenyl)-2-methyl-3-thienyl]perfluoro-cyclopentene(1a), has been synthesized. its photochromic and fluorescent properties have been investigated in detail. The results showed that this compound exhibited reversible photochromism, changing from colorless to red after irradiation with UV light both in solution and in PMMA...
A new photochromic diarylethene, [1-(2-methyl-5phenyl-3-thienyl)-2-(2-methyl-4-(3-trifluoromethylphenyl)-lphenyl)]perfluorocyclopentene (la), was synthesized and its optoelectronic properties, such as photochromism in solution as well as in polymethylmethacrylate (PMMA) amorphous films, fluorescences and Photon-mode polarization multiplexing holographic recording were investigated. The compound exhibits...
A novel photochromic diarylethene, 1-(2-ethyl-3-benzothienyl)-2-(2-trifluoromethylphenyl)perfluorocyclopentene (1a), was synthesized and its photochromic and fluorescent properties were investigated. The compound underwent reversible cyclization and cycloreversion reactions upon alternating irradiation with UV and visible light both in solution and in PMMA film. And the absorption maximum of compound...
A new photochromic diarylethene, 1-(2-methyl-5-toluene-3-thienyl)-2-[2-methyl-5-(4-fluorophenyl)-3-thienyl]- perfluorocyclopentene (1a), was synthesized and its photochromic and fluorescent properties were investigated. Diarylethene 1a changed the color from colorless to blue upon irradiation with 313 nm UV light, in which absorption maxima were observed at 575 nm in hexane and at 584 nm in PMMA amorphous...
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