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Liquid Crystal Phases, Structures, Defects and Ordering

Silver/Thiocholesterol and Silver/Cholesterol Nanosized Aggregates Formation in Liquid Crystalline Mesophase

, &
Pages 169-174 | Published online: 14 Jun 2011
 

Abstract

Ordered aggregates including nanosized silver particles (d = 6.0 ± 1.5 nm and d = 2.5 ± 0.5 nm) stabilized by cholesterol and thiocholesterol forming from metal sols and by cooling from the isotropic state are obtained. The composition, morphology and structure of the aggregates are determined by FTIR, UV-Vis spectroscopy, transmission electron microscopy, and electronic diffraction. The optical properties of the silver–thiocholesterol and silver–cholesterol systems are studied.

Acknowledgment

The authors are very grateful Dr. S. S. Abramchuk for TEM measurements.

The work is financially supported by Russian Foundation of Basic Research (grants N 08-03-00798 and 11-03-00506).

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