Journal
CHEMICAL ENGINEERING JOURNAL
Volume 189, Issue -, Pages 1-4Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2012.02.002
Keywords
Preyssler type heteropolyacid; Chitosan; Nanocomposite membranes; Proton conductivity
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Funding
- Department of Science and Technology
- University of Grants Commission, New Delhi, India
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Nanocomposite membranes of chitosan prepared in our earlier paper (see Ref. [1]) by incorporating different concentrations of Preyssler type heteropolyacid, H-14[NaP5W30O110] (H-14-P-5) nanoparticles have been characterized by Fourier transform infrared spectroscopy (Fritz), thermogravimetry (TGA) and dynamic mechanical thermal analysis (DMTA). Proton conductivity data of these membranes measured at varying temperatures have shown a systematic improvement in proton conductivity over that of the nascent chitosan membrane. Arrhenius activation parameter values obtained have been discussed in terms of the conduction transport mechanisms. (C) 2012 Elsevier B.V. All rights reserved.
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