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Vol. 37 No. 12 (2025): Vol 37 Issue 12, 2025

Copyright (c) 2025 Sanjeeta Rani, Priti Goyal, Laishram Saya, Sunita Hooda, Manisha Verma

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Thermo-Electrical Performance of Ferrite-Doped Chitosan Nanocomposites Modified with Graphene Oxide

https://doi.org/10.14233/ajchem.2025.34789
Sanjeeta Rani
Department of Physics, Acharya Narendra Dev College, University of Delhi, Govindpuri, Kalkaji, New Delhi-110019, India
https://orcid.org/0000-0002-5761-2134
Priti Goyal
Department of Physics, Acharya Narendra Dev College, University of Delhi, Govindpuri, Kalkaji, New Delhi-110019, India
https://orcid.org/0000-0003-0999-2694
Laishram Saya
Department of Chemistry, Sri Venkateswara College, University of Delhi, Dhaula Kuan, New Delhi-110021, India
https://orcid.org/0009-0003-7623-2350
Sunita Hooda
Polymer Research Laboratory, Department of Chemistry, Acharya Narendra Dev College, University of Delhi, Govindpuri, Kalkaji, New Delhi-110019, India
https://orcid.org/0000-0001-8002-400X
Manisha Verma
Department of Physics, Acharya Narendra Dev College, University of Delhi, Govindpuri, Kalkaji, New Delhi-110019, India
https://orcid.org/0000-0001-9092-2081

Corresponding Author(s) : Manisha Verma

manishaverma@andc.du.ac.in

Asian Journal of Chemistry, Vol. 37 No. 12 (2025): Vol 37 Issue 12, 2025

Abstract

The growing demand for renewable, multifunctional materials has spurred interest in nanocomposites for energy, biomedical and environmental uses. In this study, magnetic chitosan (MCS) and magnetic chitosan–graphene oxide (MCS/GO) nanocomposites were synthesized via a simple coprecipitation method. The structural, thermal and electrochemical properties were analyzed using XRD, FESEM-EDAX, TGA and impedance spectroscopy. XRD confirmed nanocrystalline phases (7.6 nm) with uniform magnetite dispersion in the polymer–GO matrix. TGA showed a residual mass of ~88% at 800 ºC for MCS/GO, indicating high thermal stability. Impedance analysis showed easier charge movement through the bulk at higher frequencies; both resistance and reactance decreased with temperature, confirming thermally activated transport. The activation energy (~168 meV) indicates efficient GO-assisted carrier hopping, making MCS/GO nanocomposites promising for energy-efficient sensors, solid-state batteries and thermally stable electronic devices.

Keywords

Magnetic chitosan Graphene oxide Nanocomposite Thermal stability Impedance spectroscopy
(1)
Rani, S.; Goyal, P.; Saya, L.; Hooda, S.; Verma, M. Thermo-Electrical Performance of Ferrite-Doped Chitosan Nanocomposites Modified With Graphene Oxide. ajc 2025, 37, 3183-3190.
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