Electronic structure and electro-optical properties of ion radicals formed during the reduction of N,N′-dialkylsubstituted salts of 4,4′-bipyridyl View Full Text


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Article Info

DATE

2013-07-06

AUTHORS

M. I. Zakirov, N. N. Efimov, P. V. Mel’nikov, E. L. Nodova, V. V. Minin

ABSTRACT

Symmetric N,N′-disubstituted salts of 4,4′-bipyridyl (viologens) are synthesized and described. It is shown by cyclic voltammetry that disubstituted salts of 4,4′-bipyridyl have a tendency toward reversible two-electron reduction. Normal first and second step oxidation-reduction potentials with respect to saturated silver chloride electrodes at various potential scan rates are found. The spectra of the high-resolution electron paramagnetic resonance of viologen cation radicals formed during the reduction of N,N′-disubstituted salts of 4,4′-bipyridyl are obtained and interpreted. It is established that the nature of substitutes and counterions in a viologen molecule considerably influences the distribution of its spin density, voltammetric curves, and electro-optical properties. More... »

PAGES

1386-1392

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0036024413070364

DOI

http://dx.doi.org/10.1134/s0036024413070364

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1021254218


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