Bulletin of the American Physical Society
APS March Meeting 2011
Volume 56, Number 1
Monday–Friday, March 21–25, 2011; Dallas, Texas
Abstract: S1.00192 : Phase Equilibrium Model for Nanoparticle-Filled Nematic Liquid Crystals
Author:
This work presents an integrated characterization of phase
transitions and structure formation in mixtures of nanoparticles
(NP) and liquid crystals (LC), by means of a model for phase
equilibrium and an experimental study on the system composed by
5CB and gold NPs. The model takes into account mixing, nematic
ordering of the LC, crystalline ordering (self-assembly) of
NPs, and LC-NP interactions. Generic features of phase diagrams
for NP-LC mixtures are discussed. The model can explain some
experimental observations, like the formation of NP aggregates
and distinctive nematic textures, as a function of experimental
parameters like NP concentration and the nature of the NP surface
are changed. The parameters that produce these changes in phase
behaviours can be directly correlated with experimental variables.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2011.MAR.S1.192
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