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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Self-Assembly of Low-Angle∧-Shaped Molecule Based on Long Side-Chain and Alkylthio Tails
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 1320-1322)
Author(s): Xiao-dong Li, Dept. Material Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China
Mao-sheng Zhan, Dept. Material Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China
Kai Wang, Dept. Material Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing, China
Jun-ji Watanabe, Dept. Organic and Polymeric Materials, Tokyo Institute of Technology, Tokyo, Japan
Abstract: The low-angle ∧-shaped molecule based on 1,7-naphthalene central core and long side-chain with alkylthio tails were synthesized. The mesomorphic properties and phase structures were investigated by means of polarized optical microscope and wide angle X-ray diffraction with non-oriented and oriented samples. The compound can form an Iso-SmAP-B4 transition with a layer spacing of 51.4 ? in SmAP phase during the cooling process. The introduction of low-angle ∧-shaped central core and long-side chain with alkylthio tails are considered to be vital for the formation of this type of molecular assembly.
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