期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 239, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2019.122321
关键词
CuO@GCE modified electrodes; Nanostructures; High stability; Electrochemical water oxidation
资金
- UGC Start-Up Research Grant [F.30-326/2016 (BSR)]
- RUSA-Phase 2 grant, Policy (TNMulti-Gen), Department of Education, Govt. of India, Dt. October 09, 2018 [24-51/2014-U]
- King Saud University, Deanship of Scientific Research, College of Science Research Center
- Department of Science and Technology, New Delhi under PURSE 2nd Phase programme [SR/PURSE Phase 2/38 (G)]
CuO is generally considered as an efficient energy material for potential applications. Pure and M (Ni, Co, Zn) doped CuO@GCE modified electrodes have been fabricated via cost effective solvothermal route for electrochemical water oxidation process. Full-fledged electrochemical oxidation of water achieved by Co doped CuO@GCE modified electrode exhibited the current density of 4.41 mA/g at 2.1 V vs RHE with lower Tafel slope value of 67 mV/decade. Incorporation of foreign ions in CuO lattice supported to promote the overall charge transportation mechanism of CuO@GCE modified electrode which revealed by decreasing the charge transfer resistance (Rct) arc. Moreover, 100% of retention was achieved for Co co-catalyst Incorporated CuO@GCE modified electrode even after 24 h of stability performance. Hence, it can be recommended that optimized synthesis and fabrication techniques assisted optimum co-catalyst preferred CuO@GCE modified electrode is strongly ascribable as an efficient, binder free, robust and scalable electrode for electrochemical water oxidation and various potential applications.
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