Anisotropic dynamics of the tenuous gel in a liquid crystal-nanoparticle composite

Danielle D. van't Zand; Yuriy Chushkin; Lhoussaine Belkoura; Chethan Lobo; Reinhard Strey; Katya Lyakhova; Paul Clegg

doi:10.1039/c2sm06986e

Anisotropic dynamics of the tenuous gel in a liquid crystal-nanoparticle composite

Danielle D. van't Zand, Yuriy Chushkin, Lhoussaine Belkoura, Chethan Lobo, Reinhard Strey, Katya Lyakhova, Paul Clegg

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract / Description of output

We present a study of the structure and local dynamics of dispersed silica nanoparticles in the liquid crystal 4′-pentyl-4-biphenylcarbonitrile (5CB). Electron microscopy and X-ray scattering data demonstrate that the nanoparticles form agglomerates with a fractal structure. Investigation of the local dynamics of the particle agglomerates using X-ray photon correlation spectroscopy reveals pronounced anisotropy in the relaxation rate and aging behaviour. We suggest that the unusual relaxation behaviour is a consequence of the anisotropy of the host solvent.

Original language	English
Pages (from-to)	4062-4066
Number of pages	5
Journal	Soft Matter
Volume	8
Issue number	15
DOIs	https://doi.org/10.1039/c2sm06986e
Publication status	Published - 21 Mar 2012

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10.1039/c2sm06986e

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abstract = "We present a study of the structure and local dynamics of dispersed silica nanoparticles in the liquid crystal 4′-pentyl-4-biphenylcarbonitrile (5CB). Electron microscopy and X-ray scattering data demonstrate that the nanoparticles form agglomerates with a fractal structure. Investigation of the local dynamics of the particle agglomerates using X-ray photon correlation spectroscopy reveals pronounced anisotropy in the relaxation rate and aging behaviour. We suggest that the unusual relaxation behaviour is a consequence of the anisotropy of the host solvent.",

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T1 - Anisotropic dynamics of the tenuous gel in a liquid crystal-nanoparticle composite

AU - van't Zand, Danielle D.

AU - Chushkin, Yuriy

AU - Belkoura, Lhoussaine

AU - Lobo, Chethan

AU - Strey, Reinhard

AU - Lyakhova, Katya

AU - Clegg, Paul

PY - 2012/3/21

Y1 - 2012/3/21

N2 - We present a study of the structure and local dynamics of dispersed silica nanoparticles in the liquid crystal 4′-pentyl-4-biphenylcarbonitrile (5CB). Electron microscopy and X-ray scattering data demonstrate that the nanoparticles form agglomerates with a fractal structure. Investigation of the local dynamics of the particle agglomerates using X-ray photon correlation spectroscopy reveals pronounced anisotropy in the relaxation rate and aging behaviour. We suggest that the unusual relaxation behaviour is a consequence of the anisotropy of the host solvent.

AB - We present a study of the structure and local dynamics of dispersed silica nanoparticles in the liquid crystal 4′-pentyl-4-biphenylcarbonitrile (5CB). Electron microscopy and X-ray scattering data demonstrate that the nanoparticles form agglomerates with a fractal structure. Investigation of the local dynamics of the particle agglomerates using X-ray photon correlation spectroscopy reveals pronounced anisotropy in the relaxation rate and aging behaviour. We suggest that the unusual relaxation behaviour is a consequence of the anisotropy of the host solvent.

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U2 - 10.1039/c2sm06986e

DO - 10.1039/c2sm06986e

M3 - Article

SN - 1744-683X

VL - 8

SP - 4062

EP - 4066

JO - Soft Matter

JF - Soft Matter

IS - 15

ER -

Anisotropic dynamics of the tenuous gel in a liquid crystal-nanoparticle composite

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Design Principles for New Soft Materials

Edinbugrh Soft Matter and Statistical Physics Programme Grant Renewal

Nanoparticles in Layered Media

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Anisotropic dynamics of the tenuous gel in a liquid crystal-nanoparticle composite

Abstract / Description of output

Access to Document

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Fingerprint

Projects

Design Principles for New Soft Materials

Edinbugrh Soft Matter and Statistical Physics Programme Grant Renewal

Nanoparticles in Layered Media

Cite this