Abstract
Formation of J-aggregates of polymethine dyes in solutions and in a heterogeneous system of AgHal grains is considered. A new mechanism of formation of polymethine dye J-aggregates from dimers is proposed on the basis of the equilibrium between dimers and J-aggregates in solution. It was concluded that “block building” of J-aggregates from dimers is most preferable for constructing perfect J-aggregates of the same size (mono-structural J-aggregates). Mixed J-aggregates and “heterocontact dimers” of polymethine dyes with various polymethine chain lengths are obtained using the block building technique.
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Original Russian Text © B.I. Shapiro, 2008, published in Rossiiskie nanotekhnologii, 2008, Vol. 3, Nos. 3–4.
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Shapiro, B.I. Block building of polymethine dye aggregates. Nanotechnol Russia 3, 139–150 (2008). https://doi.org/10.1134/S1995078008030014
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DOI: https://doi.org/10.1134/S1995078008030014