Issue 48, 2018

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

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

Associated articles

Supplementary files

Article information

Article type
Paper
Submitted
15 Oct 2018
Accepted
17 Nov 2018
First published
21 Nov 2018

J. Mater. Chem. C, 2018,6, 13345-13351

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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