Nanocrystalline cobalt tungstate thin films prepared by SILAR method for electrocatalytic oxygen evolution reaction

被引：14
作者：
Bagwade, P. P. [1 ]
Malavekar, D. B. [1 ]
Magdum, V. V. [1 ]
Khot, S. D. [1 ]
Nikam, R. P. [1 ]
Patil, D. J. [1 ]
Patil, U. M. [1 ]
Lokhande, C. D. [1 ]
机构：
[1] DY Patil Educ Soc, Ctr Interdisciplinary Res, Kolhapur 416006, India
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 23期
关键词：
Cobalt tungstate; Thin film; Electrocatalyst; Oxygen evolution reaction; Successive ionic layer adsorption; reaction (SILAR); FACILE SYNTHESIS; NANOPARTICLES; PERFORMANCES; HYDROGEN; SULFIDE; ARRAYS;
D O I：
10.1016/j.ijhydene.2022.11.090
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This study highlights on the application of nanocrystalline cobalt tungstate (CoWO4) thin films as an electrocatalyst for oxygen evolution reaction (OER) prepared using successive ionic layer adsorption and reaction (SILAR) method. The X-ray diffraction, scanning elec-tron microscopy, X-ray photoelectron spectroscopy, Fourier transform infrared spectros-copy etc. were employed for the characterization of CoWO4 thin films, revealing the formation of crystalline CoWO4 with spherical morphology. Furthermore, CoWO4 showed excellent electrochemical performance with the overpotential of 330 mV and Tafel slope of 153 mV dec-1 with retaining 97% of electrochemical stability after 24 h of OER. The study confirmed the structural maintenance of CoWO4 thin films after stability study.(c) 2022 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：8465 / 8477
页数：13
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