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Issue 103, 2016
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Molecular engineering of a π-conjugated polymer film of the azo dye Bismarck Brown Y

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Abstract

The construction of molecular nanostructures with tunable topological structures is a challenge in molecular engineering. We report a novel organic π-conjugated chromophore obtained by the electropolymerization of Bismarck Brown Y (4,4′-[1,3-phenylenedi(E)-2,1-diazenediyl]di(1,3-benzenediamine)), with important potential applications in optical and electrochemical materials. The study comprises evidence regarding the redox transitions during the electropolymerization process by potential cycling and information regarding the physico-chemical properties of the polymerized film by UV-Vis spectroscopy, electrochemical impedance spectroscopy and scanning electron microscopy. The spectral study indicates a π-conjugated planar structure with predominance of the cis isomer. The polymer with diverse molecular conformation paves the way to fabricate molecular miniature devices with various desired functionalities.

Graphical abstract: Molecular engineering of a π-conjugated polymer film of the azo dye Bismarck Brown Y

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Publication details

The article was received on 11 Aug 2016, accepted on 18 Oct 2016 and first published on 18 Oct 2016


Article type: Communication
DOI: 10.1039/C6RA20335C
Citation: RSC Adv., 2016,6, 101318-101322
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    Molecular engineering of a π-conjugated polymer film of the azo dye Bismarck Brown Y

    M. F. S. Teixeira, M. M. Barsan and C. M. A. Brett, RSC Adv., 2016, 6, 101318
    DOI: 10.1039/C6RA20335C

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