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Structural, vibrational, thermal, and electrical properties of PVA/PVP biodegradable polymer blend electrolyte with CH3COONH4

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Abstract

A biodegradable solid polymer blend electrolyte was prepared by using polyvinyl alcohol (PVA) and polyvinyl pyrrolidone (PVP) polymers with different molecular weight percentages (wt.%) of ammonium acetate, and its structural, thermal, vibrational, and electrical properties were evaluated. The polymer blend electrolyte is prepared using solution casting technique, with water as a solvent. X-ray diffraction shows that the incorporation of ammonium acetate into the polymeric matrix causes decrease in the crystallinity degree of the samples. The Fourier transform infrared spectroscopy and laser Raman studies confirm the complex formation between the polymer and salt. Differential scanning calorimerty shows that the thermal stability of the polymer blend electrolyte and the glass transition temperature decreased as the concentration of ammonium acetate increased. The ionic conductivity of the prepared polymer electrolyte was found by AC impedance spectroscopic analysis. A maximum conductivity of 8.12 × 10−5 Scm−1 was observed for the composition of 50 PVA/50 PVP/30 wt.% of CH3COONH4.

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Acknowledgments

One of the authors (N. Rajeswari) wishes to thank Prof. S.R.S. Prabaharan, Manipal University, Malaysia, and Prof. Kawamura, Director of the Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Japan, for providing the facilities and permission to carry out work.

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Authors and Affiliations

  1. Department of Physics, Kalasalingam University, Krishnankoil, 626 126, Tamil Nadu, India

    N. Rajeswari

  2. Department of Nanosciences and Technology, Karunya University, Coimbatore, Tamil Nadu, India

    S. Selvasekarapandian

  3. School of Advanced Sciences, VIT University, Vellore, 632 014, Tamil Nadu, India

    S. Karthikeyan

  4. Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India

    C. Sanjeeviraja

  5. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan

    Y. Iwai & J. Kawamura

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  1. N. Rajeswari
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  2. S. Selvasekarapandian
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  3. S. Karthikeyan
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  4. C. Sanjeeviraja
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  5. Y. Iwai
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  6. J. Kawamura
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Correspondence to S. Selvasekarapandian.

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Rajeswari, N., Selvasekarapandian, S., Karthikeyan, S. et al. Structural, vibrational, thermal, and electrical properties of PVA/PVP biodegradable polymer blend electrolyte with CH3COONH4 . Ionics 19, 1105–1113 (2013). https://doi.org/10.1007/s11581-012-0838-1

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  • DOI: https://doi.org/10.1007/s11581-012-0838-1

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