The photoinduced transformations of aziridine derivatives in liquid crystalline matrices

Autor:	L. N. Lisetskii, Valentyn A. Chebanov, N. A. Kasyan, A. I. Zbruev, L. N. Zavora, Sergey M. Desenko, V. D. Panikarskaya
Rok vydání:	2009
Předmět:	Materials science Liquid crystalline Aziridine chemistry.chemical_compound chemistry Liquid crystal Phase (matter) Selective reflection Organic chemistry Imidazole Physical chemistry Irradiation Physical and Theoretical Chemistry Absorption (chemistry)
Zdroj:	Russian Journal of Physical Chemistry A. 83:1350-1354
ISSN:	1531-863X 0036-0244
DOI:	10.1134/s0036024409080172
Popis:	The special features of the photoinduced transformations of 1,5-diaryl-3,5a-dihydro-1H-azireno[1,2-c]imidazole in liquid crystalline matrices were studied. During irradiation, changes in absorption bands at 630 and 430 nm were observed, which, in the cholesteric phase, were accompanied by a selective reflection band shift to sorter waves. The data obtained were in conformity with the concept of a two-stage character of phototransformations. The special features of the process in the liquid crystalline phase compared with crystals, polymeric dispersions, and solutions were considered.
Databáze:	OpenAIRE
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