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Issue 48, 2018
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Synthesis and optical properties of redox-active triphenylamine-based derivatives with methoxy protecting groups

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Abstract

A series of novel redox-active triphenylamine-based materials, 4,4′-bis(4,4′-dimethoxydiphenylaminyl)-4′′-methoxytriphenylamine (BDATPA) and four related derivatives, including tris(4-methoxyphenyl)amine (TPA), N,N,N′,N′-tetrakis(4-methoxyphenyl)-1,4-phenylenediamine (TPPA), N,N,N′,N′-tetrakis(4-methoxyphenyl)-1,1′-biphenyl-4,4′-diamine (TPB) and tris(4-(4,4′-dimethoxyphenylaminyl)phenyl)amine (TPAPA), were readily prepared and their electrochemical, photoluminescence (PL) and electrochromic (EC) behaviors were investigated. Interestingly, only TPB exhibited high PL intensities in both solution and solid state, while the others revealed a much lower PL intensity in solution. All of these electroactive materials showed excellent electrochemical reversibility by cyclic voltammetry scanning with multi-color changes at the related oxidation states. Furthermore, UV-Vis and spectroelectrochemical measurements were also applied to evaluate and calculate the molar extinction coefficients in order to facilitate these materials as a color palette.

Graphical abstract: Synthesis and optical properties of redox-active triphenylamine-based derivatives with methoxy protecting groups

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Publication details

The article was received on 15 Oct 2018, accepted on 17 Nov 2018 and first published on 21 Nov 2018


Article type: Paper
DOI: 10.1039/C8TC05196H
J. Mater. Chem. C, 2018,6, 13345-13351

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    Synthesis and optical properties of redox-active triphenylamine-based derivatives with methoxy protecting groups

    J. Wu, T. Hsiang and G. Liou, J. Mater. Chem. C, 2018, 6, 13345
    DOI: 10.1039/C8TC05196H

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