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Carbon nanotubes immobilized copper(salen) nanocomposite for electrochemical oxygen evolution reaction

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Title Carbon nanotubes immobilized copper(salen) nanocomposite for electrochemical oxygen evolution reaction
 
Creator Gupta, Mandakini
Narvadeshwar
Maurya, Angesh Kumar
Jangra, Vikas
Pandey, Anamika
Sonkar, Piyush Kumar
Kumar, Upendra
 
Subject Copper (salen)
MWCNTs
Oxygen evolution reaction
Electrochemical
Nanocomposite
Modified electrode
 
Description 40-48
Efficient oxygen evolution reaction (OER) electrocatalysts are widely required in the realm of water electrolysis and rechargeable metal-air batteries. This work describes an easy and simple method for the synthesis of copper salen (Cu(Salen))-functionalized multiwalled carbon nanotubes (MWCNTs) nanocomposite materials (Cu(Salen)/MWCNTs). It has been used for OER in the basic medium (0.1 M KOH). The resulting nanocomposite, Cu(Salen)/MWCNTs, has been studied using spectroscopic and microscopic techniques such as Fourier transform infrared (FT-IR), UV-visible spectroscopy, powder X-ray diffraction (p-XRD), scanning electron microscopy (SEM), and energy dispersive X-ray analysis (EDAX). The electrochemical characterization of prepared Cu(Salen)/MWCNTs nanocomposite based modified glassy carbon (GC) electrodes (GC/Cu(Salen)/MWCNTs) and their application towards OER have been performed using an electrochemical method. The Tafel slope of nanocomposite material is 159.6 mV/dec in 0.1 M KOH solution, indicating that GC/Cu(Salen)/MWCNTs could be a promising and cost-effective electrode material for the OER. This study demonstrates a novel way for creating an active nanocomposite catalyst for OER in alkaline media.
 
Date 2024-01-23T10:08:07Z
2024-01-23T10:08:07Z
2024-01
 
Type Article
 
Identifier 2583-1321 (Online); 0019-5103 (Print)
http://nopr.niscpr.res.in/handle/123456789/63223
https://doi.org/10.56042/ijc.v63i1.2312
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJC Vol.63(01) [Jan 2024]