Structure of viologens and novel photorefractive materials on their base

Andrey Yu. Vishnyakov; A. P. Polishchuk; I. Yu. Polishchuk

doi:10.1117/12.428301

30 May 2001 Structure of viologens and novel photorefractive materials on their base

Andrey Yu. Vishnyakov, A. P. Polishchuk, I. Yu. Polishchuk

Proceedings Volume 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; 44180H (2001) https://doi.org/10.1117/12.428301
Event: Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 2000, Alushta, Crimea, Ukraine

Abstract

The dyperchlorates of N,N'-dy(2-dygydroxyethyl)-4,4'- dipyridylium (IX) and of N,N'-dy(carbethoxymethyl)-4,4'- dipyridylium (X)(such named viologenes) are the perspective dye-dopants to work out the new photorefractive materials. The X-ray investigation of single crystals of IX and X was carried out. It has been shown that in the charge transfer absence the flat structure of dipiridilium core at IX, X are determined by electronic effects of hydroxyl and ether groups which contain non-separated electronic pairs. Such structure flatness is favor for effective cation-radicals formation.

Citation Download Citation

Andrey Yu. Vishnyakov, A. P. Polishchuk, and I. Yu. Polishchuk "Structure of viologens and novel photorefractive materials on their base", Proc. SPIE 4418, Eighth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 44180H (30 May 2001); https://doi.org/10.1117/12.428301

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