Nano Archive

Cis-, trans-aggregates of thiatrimethine cyanine dyes

Shapiro, B. and Belonozhkina, E. and Kuz`min, V. (2009) Cis-, trans-aggregates of thiatrimethine cyanine dyes. Nanotechnologies in Russia, 4 . pp. 38-44.

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Studying the equilibrium between dimers and J-aggregates of meso-ethylthiatrimethine cyanines in water solutions showed that there are two J-aggregate forms of dyes that depend on the structure of dyes and temperatures. The formation of two J-aggregates is connected to the existence of two isomers (cis-, and trans) of dyes in a solution, the equilibrium between which is determined by the structure of dye and temperature. We assume that the short-wave J-aggregate is the J cis -aggregate and is formed from cis-dimers and the long-wave is accordingly the J trans -aggregate, which is formed from a trans-dimers.

Item Type:Article
Additional Information:10.1134/S1995078009010042
ID Code:7585
Deposited By:Prof. Alexey Ivanov
Deposited On:11 Nov 2009 07:54
Last Modified:11 Nov 2009 08:00

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