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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...
The coking wastewater drainage will bring severe water environmental pollution, so reuse of post-treatment coking wastewater as make-up water for circulating cooling system is an important way. Electrochemical oxidation combined flocculation technology was proposed for treating coking wastewater. The effects of the electrolytic voltage, current density, electrode distance, pH value, electrolytic time,...
A unsymmetrical photochromic diarylethene, 1-[2-methyl-5-(4-methylphenyl)-3-thienyl]-2-(2-cyano-1, 5-dimethyl-4-pyrryl)hexafluorocyclopentene (10), was synthesized, and its optoelectronic properties were also investigated. The results showed that this compound had good thermal stability and exhibited reversible photochromism, changing from colorless to blue after irradiation with UV light both in...
A new unsymmetrical photochromic diarylethene compound, 1-[2-methyl-5-(4-cyanophenyl)-3-thienyl]-2-[2-methyl-5-(4-chlorophenyl)-3-thienyl] perfluorocyclopentene (1a), was synthesized and its photochemical properties, such as photochromism and kinetics in solution as well as in PMMA amorphous film, and electrochemical properties were investigated in detail. The results showed that the cyclization/cycloreversion...
A novel unsymmetrical photochromic diarylethene, 1-[2-methyl-5-(4-methylphenyl)-3-thienyl]-2-[2-methyl-5-(4-formylphenyl)-3-thienyl] perfluoroyclopentene(1a), was synthesized, its photochromic properties and electrochemical properties were examined, the result indicated that the colorless open-ring isomers were assigned to the exclusive oxidation process, but the closed-ring isomers of these compounds...
A novel 2,3-position hybrid diarylethene, 1-(2-methyl-5-phenyl -3-thienyl) -2-(3-methyl-5-phenyl-2-thienyl) perfluorocyclopentene (1 a), was synthesized, and its photochromic reactivity, fluorescent and electrochemical property were also investigated. The results showed that this compound exhibited reversible photochromism, changing from colorless to red after irradiation with UV light both in solution...
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