J-aggregation of N-sulfobutyl oxacarbocyanine in binary mixtures of organic solvents
作者： Alexander K. Chibisov , Tatyana D. Slavnova , Helmut Görner
DOI: 10.1016/J.CPLETT.2010.08.023
关键词: Trichloroethylene 、 Toluene 、 Medicinal chemistry 、 Tetrahydrofuran 、 Solvent 、 Dimethyl sulfoxide 、 Photochemistry 、 Solvophobic 、 Cyanine 、 Monomer 、 Chemistry
摘要: Abstract N -sulfobutyl oxacarbocyanine in binary mixtures of dimethyl sulfoxide (DMSO) as a polar solvent (0.15–2 vol.%) and four less solvents, such dioxane, toluene, trichloroethylene tetrahydrofuran forms J-aggregates. Along with J-aggregates cyanine dyes form H-aggregates the mixture DMSO trichloroethylene. In dioxane are formed from monomers reaction proceeds time. The relative yield maximum rate formation depend on content both equal to zero at 5% DMSO. characterized by resonance fluorescence. For DMSO/trichloroethylene initially an H-aggregate is which transformed via monomer into J-aggregate. results obtained rationalized terms solvophobic effect.
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