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Order parameters and time evolution of mesophases in the lyotropic chromonic liquid crystal Sunset Yellow FCF by DNMR

Abstract

Uniaxial order parameters of the nematic and columnar mesophases in the lyotropic chromonic liquid crystal Sunset Yellow FCF have been determined from deuteron nuclear magnetic resonance, where random confinement of the system by the dispersion of Aerosil nanoparticles have been performed to help obtaining the angular dependent spectra. The long-time evolution study of the order parameters shows that the system requires tens of hours to stabilize after a deep change in temperature, in contrast with the very fast assembly process of the aggregates. Finally, the degree of order of the water molecules, forced by the uniaxial environment, have been determined.

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Publication details

The article was received on 14 Jun 2018, accepted on 25 Jul 2018 and first published on 06 Aug 2018


Article type: Paper
DOI: 10.1039/C8SM01221K
Citation: Soft Matter, 2018, Accepted Manuscript
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    Order parameters and time evolution of mesophases in the lyotropic chromonic liquid crystal Sunset Yellow FCF by DNMR

    S. Diez-Berart, L. Tortora, D. Finotello, B. Zupancic, B. Zalar, L. Green and O. D. Lavrentovich, Soft Matter, 2018, Accepted Manuscript , DOI: 10.1039/C8SM01221K

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