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Polymers 2014, 6(8), 2082-2099;

Surface-Induced Ordering on Model Liquid Crystalline Dendrimers

Department of Materials Science, University of Patras, Patras 26504, Greece
Author to whom correspondence should be addressed.
Received: 5 June 2014 / Revised: 18 July 2014 / Accepted: 21 July 2014 / Published: 30 July 2014
(This article belongs to the Special Issue Complex Macromolecular Architectures)
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The surface alignment of liquid crystalline dendrimers (LCDrs) is a key factor for many of their potential applications. Here, we present results from Monte Carlo simulations of LCDrs adsorbed on flat, impenetrable aligning substrates. A tractable coarse-grained force field for the inter-dendritic and the dendrimer-substrate interactions is introduced. We investigate the conformational and ordering properties of single, end-functionalized LCDrs under homeotropic, random (or degenerate) planar and unidirectional planar aligning substrates. Depending on the anchoring constrains to the mesogenic units of the LCDr and on temperature, a variety of stable ordered LCDr states, differing in their topology, are observed and analyzed. The influence of the dendritic generation and core functionality on the surface-induced ordering of the LCDrs are examined. View Full-Text
Keywords: liquid crystal dendrimers; surface alignment; Monte Carlo simulations, surface confinement of dendrimers liquid crystal dendrimers; surface alignment; Monte Carlo simulations, surface confinement of dendrimers

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Workineh, Z.G.; Vanakaras, A.G. Surface-Induced Ordering on Model Liquid Crystalline Dendrimers. Polymers 2014, 6, 2082-2099.

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