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Issue 1, 2019
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Broadband near-IR absorbing Au-dithiolene complexes bearing redox-active oligothiophene ligands

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Abstract

A series of three homoleptic, monoanionic gold dithiolene complexes of oligothiophene ligands which coordinate via a central thiophene-3,4-dithiolate chelate are presented. The oligomer chains are three, five and seven thiophenes long and the complexes display hybrid optoelectronic properties featuring characteristics of both the oligothiophene chains and the delocalised metal dithiolene centre. The properties of the complexes have been characterised using a variety of spectroscopic and electrochemical methods complemented by computational studies. Solid state spectroelectrochemistry has revealed that upon oxidation these complexes display intense and broad absorption across the visible spectrum. In attempting to produce nickel analogues of these materials a single crystal of a photo-oxidised nickel dithiolene complex has also been isolated.

Graphical abstract: Broadband near-IR absorbing Au-dithiolene complexes bearing redox-active oligothiophene ligands

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Publication details

The article was received on 28 Sep 2018, accepted on 15 Nov 2018 and first published on 16 Nov 2018


Article type: Paper
DOI: 10.1039/C8DT03915A
Citation: Dalton Trans., 2019,48, 107-116
  • Open access: Creative Commons BY license
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    Broadband near-IR absorbing Au-dithiolene complexes bearing redox-active oligothiophene ligands

    I. A. Wright, C. Wilson, S. J. Coles and P. J. Skabara, Dalton Trans., 2019, 48, 107
    DOI: 10.1039/C8DT03915A

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