Effect of reducing agent on the electrochemical performance of the AgxO/PVA nanocomposite

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Kalidoss Sakthiraj; Balasubramanian Karthikeyan

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Journal Paper

Paper Information

Journal: Analytical and Bioanalytical ElectroChemistry Year:2023 | Volume:15 | Issue:11 Page(s): 956-966

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Title

Effect of reducing agent on the electrochemical performance of the AgxO/PVA nanocomposite

Author(s)

Kalidoss Sakthiraj | Balasubramanian Karthikeyan | Issue Writer Certificate

Keywords

Silver oxide nanocrystal

Poly vinyl alcohol

Electrochemical property

Citrate reduction

nanocomposite-coated electrode

Supercapacitors

Abstract

In the present work, different concentrations of citrate (reducing agent) were used to reduce the silver precursor, and Poly vinyl alcohol (PVA) was used as a capping agent. The electrochemical performance of the synthesized multivalent silver oxide (AgxO)/PVA nanocomposite has been carefully examined. The well-crystalline, spherical, and aggregate-free AgxO/PVA nanocomposite was synthesized. The present findings were strengthened by structural, elemental, and morphological studies. The AgxO/PVA nanocomposite showed Surface Plasmon Resonance (SPR) and defect-related band gap mechanisms. The two oxidoreduction peaks in the cyclic voltammogram were observed for the graphite electrode coated with the as-prepared samples. The AgxO/PVA-loaded electrodes showed a maximum specific capacitance of 269 Fg-1 at a scan rate of 10 mVs-1. It was observed that the citrate can be used to produce silver oxide nanoparticles and to improve the electrochemical functionality of the silver oxide nanoparticles blended with PVA. There are potential uses for this type of nanocomposite-coated electrode in Supercapacitors and high-performance energy storage systems.

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