Work

Lyotropic Smectic B Phase Formed in Suspensions of Charged Colloidal Platelets

Year: 2012

Type: article

Abstract: Here, we present the first observation of a smectic B (Sm(B)) phase in a system of charged colloidal gibbsite platelets suspended in dimethyl sulfoxide (DMSO). The use of DMSO, a polar aprotic solvent, leads to a long range of the electrostatic Coulomb repulsion between platelets. We believe this to be responsible for the formation of the layered liquid crystalline phase consisting of hexagonally ordered particles, that is, the Sm(B) phase. We support our finding by high-resolution X-ray scattering experiments, which additionally indicate a high degree of ordering in the Sm(B) phase.

Source: Journal of the American Chemical Society

DOI: 10.1021/ja300527w

Authors: Dzina Kleshchanok, Peter Holmqvist, Janne-Mieke Meijer, Henk N. W. Lekkerkerker

Institutions: Utrecht University, Forschungszentrum Jülich

Language: English

Topic: Liquid Crystal Research Advancements

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

Funder: Nederlandse Organisatie voor Wetenschappelijk Onderzoek

OpenAlex ID: W2005301034

FWCI: 2.96

Cites: 47

Cited by: 47

Related to: 10