Journal
CARBOHYDRATE POLYMERS
Volume 165, Issue -, Pages 123-131Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2017.02.033
Keywords
2-hydroxyethyl cellulose; Ammonium nitrate; Solid polymer electrolyte; Amorphous nature; Complexation; Ionic conductivity
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Funding
- Ministry of Higher Education Malaysia (MOHE)
- Universiti Malaysia Terengganu (UMT) [55101, 59452]
- MyBrain15
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Addition of doping materials can possibly enhance the ionic conduction of solid polymer electrolyte (SPE). In this work, a new SPE using 2-hydroxyethyl cellulose (2-HEC) incorporated with different ammonium nitrate (NH4NO3) composition was prepared via solution casting method. Studies of structural properties were conducted to correlate the ionic conductivity of 2-HEC NH4NO3 SPE using X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. Encouraging result was obtained as the ionic conductivity increased about two orders of magnitude upon addition of 12 wt% of NH4NO3. XRD analysis shows the most amorphous SPE was obtained at 12-NH4NO3. From FTIR spectra, the interactions between 2-HEC and NH4NO3 were observed by the shifts of C-O-H peak from 1355 cm(-1) to 1330 cm(-1) and the presence of new N-H peak in the O-H region. The spectrum has been validated theoretically using Gaussian software. The results obtained from this study corroborate that the complexes of 2-HEC and NH4NO3 responsible to promote the ionic conductivity to the higher value. (C) 2017 Elsevier Ltd. All rights reserved.
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