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Issue 23, 2013
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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 
Author affiliations

* Corresponding authors

a Key laboratory of Polyoxometalate Science of Ministry of Education, Department of Chemistry, Northeast Normal University, Renmin Street No.5268, Changchun, 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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Publication details

The article was received on 29 Jan 2013, accepted on 11 Apr 2013 and first published on 11 Apr 2013


Article type: Paper
DOI: 10.1039/C3TC30179F
Citation: 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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