Two-dimensional assemblies of banana-shaped liquid crystal molecules with short alkyl chains at solid/liquid interface

Yibao, Li and Jahimin Asik @ Abd. Rashid, and Yanhian, Yang and Rahman, Md Lutfor and Xiaolin, Fan and Chen, Yang Wang (2009) Two-dimensional assemblies of banana-shaped liquid crystal molecules with short alkyl chains at solid/liquid interface. Journal of Nanoscience and Nanotechnology Volume 9, Issue 2, February 2009, Pages 1169-1171 , 9 (2). pp. 1169-1171. ISSN 1533-4880

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Official URL: http://dx.doi.org/10.1166/jnn.2009.C112

Abstract

Two-dimensional assemblies of a series of banana-shaped liquid crystal molecules with short alkyl chains, (LC, n = 5, 6), are investigated at the solid/liquid interface on graphite surface by using scanning tunneling microscopy (STM) under ambient conditions. The high-resolution STM images of the LC0 assemblies demonstrated a lamel)ae structure with bright bands and dark stripes, in which the alkyl chains of neighboring rows were either interdigitated or tail-to-tail due to the van der Waals interactions. The results in this paper are different with other reported banana-shaped liquid crystals, in which the core may play a dominant role in the self-assembly and the solvent molecules may also play a role in the assemblies. It may be helpful in understanding the assembly mechanism of banana-shaped liquid crystal molecules. Copyright © 2009 American Scientific Publishers All rights reserved.

Item Type:Article
Uncontrolled Keywords:Banana-shaped liquid crystal, Scanning tunneling microscope, Self-assembly
Subjects:T Technology > TP Chemical technology
Divisions:SCHOOL > School of Science and Technology
ID Code:1527
Deposited By:IR Admin
Deposited On:22 Mar 2011 15:04
Last Modified:24 Feb 2015 11:38

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