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A Delocalized Cobaltoviologen with Seven Reversibly Accessible Redox States and Highly Tunable Electrochromic Behaviour

preprint
submitted on 18.08.2020, 03:08 and posted on 19.08.2020, 05:56 by Iram F. Mansoor, Derek Wozniak, yilei wu, Mark C. Lipke
Cobalt(II) mediates electronic coupling between two N-methyl-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 electrochromic properties.

History

Email Address of Submitting Author

ml1353@chem.rutgers.edu

Institution

Rutgers, The State University of New Jersey

Country

United States

ORCID For Submitting Author

0000-0003-0035-4565

Declaration of Conflict of Interest

No conflicts of interest.

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