Issue 9, 2017

Redox state manipulation of a tris(p-tetrazolylphenyl)amine ligand and its Mn2+ coordination frameworks

Abstract

In situ spectroelectrochemical experiments coupled with UV/Vis/NIR, EPR, magnetism and fluorescence techniques have enabled insights into the electronic properties of the tris(p-tetrazolylphenyl)amine (H3TTPA) ligand and the new Mn2+ frameworks [Mn3(TTPA)2(MeOH)6]n (1) and [Mn3(TTPA)2(DMF)6]n (2). Oxidation of H3TTPA generated the triarylamine radical which was found to be delocalised throughout the ligand backbone. Solid state Vis/NIR and EPR spectroelectrochemical experiments on the frameworks were used to probe the optical properties of the accessible redox states and their relative stabilities, as well as the charge transfer interactions which were generated upon infiltration of electron acceptor guests. These studies provide a basis for the application of electroactive frameworks in functional electronic and optical devices, where knowledge of the properties of the distinct redox states and their interconversion is essential.

Graphical abstract: Redox state manipulation of a tris(p-tetrazolylphenyl)amine ligand and its Mn2+ coordination frameworks

Supplementary files

Article information

Article type
Paper
Submitted
14 Dec 2016
Accepted
01 Feb 2017
First published
15 Feb 2017

Dalton Trans., 2017,46, 2998-3007

Redox state manipulation of a tris(p-tetrazolylphenyl)amine ligand and its Mn2+ coordination frameworks

C. Hua, J. Ge, F. Tuna, D. Collison, J. Zuo and D. M. D'Alessandro, Dalton Trans., 2017, 46, 2998 DOI: 10.1039/C6DT04719J

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