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- W2952069930 abstract "The photosensitizing properties of cresyl violet have been investigated by characterizing singlet and triplet excited states and the reduced and oxidized forms of the dye by picosecond and nanosecond laser flash photolysis. The dye readily forms a charge-transfer complex with amines with complexation constants in the range of 49-3,350 M{sup {minus}1} in methanol. The dye in its singlet and triplet excited states has lifetimes of 2.46 ns and 68 {mu}s, respectively, in acetonitrile. The excited triplet is quenched by ground-state dye molecules with a bimolecular rate constant of 1.45 {times} 10{sup 9} M{sup {minus}1} s{sup {minus}1}. The semioxidized radical of the dye has been generated by oxidation of CV{sup +} with pulse radiolytically generated azide radicals (k = 1.6 {times} 10{sup 10} M{sup {minus}1} s{sup {minus}1}) in aqueous medium. The semireduced dye has been generated by quenching of triplet dye with triphenylamine (k = 1.4 {times} 10{sup 9} M{sup {minus}1} s{sup {minus}1}) in methanol. Photoelectrochemical reduction of cresyl violet in colloidal TiO{sub 2} suspension has also been carried out, with a quantum yield of 0.013." @default.
- W2952069930 created "2019-06-27" @default.
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- W2952069930 date "2010-08-22" @default.
- W2952069930 modified "2023-09-26" @default.
- W2952069930 title "ChemInform Abstract: Photochemistry of Sensitizing Dyes. Spectroscopic and Redox Properties of Cresyl Violet" @default.
- W2952069930 cites W2005915524 @default.
- W2952069930 doi "https://doi.org/10.1002/chin.199136245" @default.
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