Issue 47, 2016

Structure–behavior study of a family of “hybrid cyanine” dyes which exhibit inverted solvatochromism

Abstract

The inverted solvatochromism of twenty dyes containing an electron-donor phenolate conjugated with an electron-withdrawing nitro-substituted phenyl ring was analyzed in terms of the dye structure and substituents. Structural factors that increased the difference between the electrophilicities of the donor and acceptor moieties, or the donor–acceptor strength of the phenolate dyes, also increased the sensitivity of the dyes to solvent-polarity changes and red-shifted their solvatochromic absorption bands.

Graphical abstract: Structure–behavior study of a family of “hybrid cyanine” dyes which exhibit inverted solvatochromism

Supplementary files

Article information

Article type
Paper
Submitted
29 Sep 2016
Accepted
26 Oct 2016
First published
28 Oct 2016

Phys. Chem. Chem. Phys., 2016,18, 32256-32265

Structure–behavior study of a family of “hybrid cyanine” dyes which exhibit inverted solvatochromism

R. I. Stock, C. E. A. de Melo, A. D. S. Schramm, C. R. Nicoleti, A. J. Bortoluzzi, R. D. S. Heying, V. G. Machado and M. C. Rezende, Phys. Chem. Chem. Phys., 2016, 18, 32256 DOI: 10.1039/C6CP06708E

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