Advanced Functional Nanocomposites: Graphene Oxide Integration into Polyvinyl Alcohol Matrix

Year : 2025 | Volume : 13 | Issue : 03 | Page : 50-59
    By

    Indradeep Kumar,

  • Nandakumar V,

  • R.Kiruthika,

  • Santhi M George,

  • T. Himaja,

  • M.V. Someswararao,

  • Shankramma S. Kerur,

  • V Saravanan,

  • Velmurugan Paramasivam,

  1. Assistant Professor, Amity Institute of Technology, Amity University, Noida, Uttar Pradesh, India
  2. Associate Professor, Department of Physics, Maharanis Science College for Women (Autonomous), Mysuru, Karnataka, India
  3. Assistant Professor, Department of Chemistry, Sri Sairam Institute of Technology, Chennai, Tamil Nadu, India
  4. Associate Professor, Department of Science and Humanities, RMK Engineering College, Kavaraipettai, Chennai, Tamil Nadu, India
  5. Assistant Professor, Department of Electrical and Electronics Engineering, Aditya University, Surampalem, Andhra Pradesh, India
  6. Associate Professor, Department of Engineering Physics, S. R. K. R. Engineering College (Autonomous), West Godavari, Andhra Pradesh, India
  7. Assistant Professor, Department of Chemistry, KLE Technological University, Dr.M.S. Sheshgiri Campus, Belagavi, Karnataka,
  8. Professor, Department of Physics, Indra Ganesan College of Engineering, Trichy, Tamil Nadu, India
  9. Professor, Department of Automotive Engineering, Faculty of Mechanical and Industrial Engineering, Bahir Dar Institute of Technology (BiT), Bahir Dar University, P.O. Box 26, Bahir Dar, , Ethiopia

Abstract

This research explores how incorporating graphene oxide (GO) into polyvinyl alcohol (PVA) can improve its mechanical and thermal characteristics, with the goal of creating multifunctional nanocomposites suitable for advanced technological applications. GO was introduced into the PVA matrix at 0.5, 1, and 2 wt% via a scalable solution casting method. The resulting nanocomposites were characterized mechanically, thermally, and spectroscopically. Tensile testing revealed a significant improvement in mechanical performance, with tensile strength increasing from 30 MPa (pure PVA) to 51 MPa at 2 wt% GO—a 70% enhancement—due to efficient stress transfer and nanoscale reinforcement via hydrogen bonding. Young’s modulus also rose from 1.2 GPa to 2.5 GPa, indicating greater stiffness from restricted chain mobility. Thermogravimetric analysis (TGA) showed a shift in decomposition onset from 240°C to 295°C, attributed to GO’s barrier effect and stable interfacial bonding. Thermal conductivity improved from 0.20 W/mK to 0.42 W/mK at 2 wt% GO due to phonon-conductive pathways formed by well-dispersed GO nanosheets. FTIR spectroscopy confirmed strong interfacial interactions, with red-shifts in O–H and C=O stretching bands indicating hydrogen bonding and potential partial esterification. These enhancements confirm GO’s role as a multifunctional reinforcement, making the GO–PVA nanocomposites promising for flexible electronics, thermally conductive substrates, eco-friendly packaging, and structural biomaterials.

Keywords: Graphene oxide, polyvinyl alcohol, mechanical reinforcement, thermal conductivity, FTIR analysis.

[This article belongs to Journal of Polymer and Composites ]

How to cite this article:
Indradeep Kumar, Nandakumar V, R.Kiruthika, Santhi M George, T. Himaja, M.V. Someswararao, Shankramma S. Kerur, V Saravanan, Velmurugan Paramasivam. Advanced Functional Nanocomposites: Graphene Oxide Integration into Polyvinyl Alcohol Matrix. Journal of Polymer and Composites. 2025; 13(03):50-59.
How to cite this URL:
Indradeep Kumar, Nandakumar V, R.Kiruthika, Santhi M George, T. Himaja, M.V. Someswararao, Shankramma S. Kerur, V Saravanan, Velmurugan Paramasivam. Advanced Functional Nanocomposites: Graphene Oxide Integration into Polyvinyl Alcohol Matrix. Journal of Polymer and Composites. 2025; 13(03):50-59. Available from: https://journals.stmjournals.com/jopc/article=2025/view=209955


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Regular Issue Subscription Original Research
Volume 13
Issue 03
Received 05/04/2025
Accepted 17/04/2025
Published 25/04/2025
Publication Time 20 Days
Total Visits: 69


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