Lyotropic smectic B phase formed in suspensions of charged colloidal platelets

D. Kleshchanok; P. Holmqvist; J.M. Meijer; H.N.W. Lekkerkerker

doi:10.1021/ja300527w

Lyotropic smectic B phase formed in suspensions of charged colloidal platelets

D. Kleshchanok, P. Holmqvist, J.M. Meijer, H.N.W. Lekkerkerker

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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

Original language	English
Pages (from-to)	5985-5990
Number of pages	6
Journal	Journal of the American Chemical Society
Volume	134
DOIs	https://doi.org/10.1021/ja300527w
Publication status	Published - 2012

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KleshchanokLyotropic
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title = "Lyotropic smectic B phase formed in suspensions of charged colloidal platelets",

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",

author = "D. Kleshchanok and P. Holmqvist and J.M. Meijer and H.N.W. Lekkerkerker",

year = "2012",

doi = "10.1021/ja300527w",

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pages = "5985--5990",

journal = "Journal of the American Chemical Society",

issn = "0002-7863",

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T1 - Lyotropic smectic B phase formed in suspensions of charged colloidal platelets

AU - Kleshchanok, D.

AU - Holmqvist, P.

AU - Meijer, J.M.

AU - Lekkerkerker, H.N.W.

PY - 2012

Y1 - 2012

N2 - 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

AB - 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

U2 - 10.1021/ja300527w

DO - 10.1021/ja300527w

M3 - Article

SN - 0002-7863

VL - 134

SP - 5985

EP - 5990

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

ER -

Lyotropic smectic B phase formed in suspensions of charged colloidal platelets

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