Abstract
It is shown that anionic indoheptamethine cyanine dyes of different structures form mixed metalcomplex J-aggregates in aqueous solutions under the action of multiply charged inorganic cations. By measuring the photoconductivity of layers from mixed metal-complex J-aggregates, it has been found that the photoresponse of nanoscale photoconverters for the IR region of the spectrum increases significantly in comparison with the indices for the J-aggregate of the individual dye. It is concluded that the formation of new highly organized structures by the self-assemblage of J-aggregates of several dyes can be considered a promising nanotechnology method for the production of organic semiconductors with improved photo properties.
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Original Russian Text © B.I. Shapiro, E.V. Manulik, A.D. Nekrasov, 2018, published in Rossiiskie Nanotekhnologii, 2018, Vol. 13, Nos. 3–4.
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Shapiro, B.I., Manulik, E.V. & Nekrasov, A.D. Nanoscale Photoconverters for the IR Region of the Spectrum Based on Mixed J-Aggregates of Indolenine Dyes. Nanotechnol Russia 13, 134–140 (2018). https://doi.org/10.1134/S1995078018020131
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DOI: https://doi.org/10.1134/S1995078018020131