A delocalized cobaltoviologen with seven reversibly accessible redox states and highly tunable electrochromic behaviour

Iram F. Mansoor; Derek I. Wozniak; Yilei Wu; Mark C. Lipke

doi:10.1039/D0CC05627H

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A delocalized cobaltoviologen with seven reversibly accessible redox states and highly tunable electrochromic behaviour†

Iram F. Mansoor,^a Derek I. Wozniak,^a Yilei Wu

^b and Mark C. Lipke

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 123 Bevier Road, Piscataway, New Jersey 08854, USA
E-mail: ml1353@chem.rutgers.edu

^b Department of Chemical Engineering, Stanford University, Stanford, California 94305-4125, USA

Abstract

Co^II mediates electronic coupling between two N-Me-pyridinium-terpyridine ligands that are related to redox-active N,N-dialkyl-4,4′-bipyridinium dications (viologens). Borderline Class II/III electronic delocalization imparts the cobaltoviologen complex with distinct electronic properties (e.g., 7 accessible redox states) relative to those of viologens, leading to enhanced electrochromism.

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DOI: https://doi.org/10.1039/D0CC05627H
Article type: Communication
Submitted: 18 Aug 2020
Accepted: 05 Oct 2020
First published: 05 Oct 2020

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Chem. Commun., 2020,56, 13864-13867

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A delocalized cobaltoviologen with seven reversibly accessible redox states and highly tunable electrochromic behaviour

I. F. Mansoor, D. I. Wozniak, Y. Wu and M. C. Lipke, Chem. Commun., 2020, 56, 13864 DOI: 10.1039/D0CC05627H

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Chemical Communications

A delocalized cobaltoviologen with seven reversibly accessible redox states and highly tunable electrochromic behaviour†

Abstract

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A delocalized cobaltoviologen with seven reversibly accessible redox states and highly tunable electrochromic behaviour

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