Issue 23, 2013
From the journal:

Journal of Materials Chemistry C

Thermotropic liquid crystals built from organic–inorganic hybrid polyoxometalates and a simple cationic surfactant†

Yue Jia,a   Hua-Qiao Tan,b   Zhi-Ming Zhang*a  and  En-Bo Wang*a  

* Corresponding authors

a Key laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Renmin Street No.5268, Changchun, Jilin, P. R. China
E-mail: zhangzm178@nenu.edu.cn, wangeb889@nenu.edu.cn

b State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 3888 East Nanhu Road, Changchun, P. R. China

Abstract

By ion metathesis reactions, the dimethyldioctadecylammonium (DODA+) was used as the surfactant to encapsulate organic–inorganic hybrid polyoxometalates (POMs) (NH4)6{Mo2VO4[(Mo2VIO6)NH3CH2CH2CH2C(O)(PO3)2]2}·10H2O (POM-1) and (NH4)8{Mo2VO4[(Mo2VIO6)CH3C(O)(PO3)2]2}·14H2O (POM-2), resulting in two surfactant-encapsulated clusters (SECs) with characteristic thermotropic liquid-crystalline behavior. The chemical composition of the obtained SECs was determined by IR spectra, elemental analysis, TG analysis and NMR spectra. Also, polarized optical microscopy, differential scanning calorimetry (DSC), variable temperature X-ray diffraction (VT-XRD) and TEM of the samples were also performed, which revealed that both SECs show thermotropic liquid crystal behavior.

Graphical abstract: Thermotropic liquid crystals built from organic–inorganic hybrid polyoxometalates and a simple cationic surfactant

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Article information

DOI
https://doi.org/10.1039/C3TC30179F
Article type
Paper
Submitted
29 Jan 2013
Accepted
11 Apr 2013
First published
11 Apr 2013

J. Mater. Chem. C, 2013,1, 3681-3685

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Thermotropic liquid crystals built from organic–inorganic hybrid polyoxometalates and a simple cationic surfactant

Y. Jia, H. Tan, Z. Zhang and E. Wang, J. Mater. Chem. C, 2013, 1, 3681 DOI: 10.1039/C3TC30179F

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