RETRACTED: Atomic layer deposition of NiS2 nanoparticles on surface-modified MoS2 nanosheets for improved electrocatalytic hydrogen evolution reaction in acid media (Retracted Article)

被引：9

作者：

Li, Ning ^{[1
,2
]}

Yu, Kaihuan ^{[2
]}

Zhuo, Qinghua ^{[2
]}

Lin, Zhuliang ^{[1
,2
]}

机构：

[1] Zhejiang Normal Univ, Xingzhi Coll, Jinhua 321000, Zhejiang, Peoples R China

[2] Zhejiang Normal Univ, Coll Engn, Jinhua 321000, Zhejiang, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2021年 / 47卷 / 24期

关键词：

Atomic layer deposition; NiS2; nanoparticles; MoS2; nanosheet; Hydrogen evolution reaction; Stability; ACTIVE EDGE SITES; EFFICIENT; MICROSPHERES; PERFORMANCE; CATALYSTS; BEHAVIOR; GROWTH;

D O I：

10.1016/j.ceramint.2021.09.042

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Developing active and stable electrocatalysts for hydrogen evolution reaction (HER) is vital for the sustainable production of hydrogen (H-2). In this report, NiS2 nanoparticles were deposited on the two-dimension (2D) MoS2 nanosheets by atomic layer deposition (ALD). The as-prepared MoS2/NiS(2)composites were used as a working electrode for HER and displayed improved catalytic efficiency over the pristine MoS2 electrode. The electrochemical measurements demonstrated that the overpotential and the Tafel slope of the optimized MoS2/NiS2 composite were -114.6 mV and 45.4 mV/dec, which were very close to the benchmark Pt/C electrode. The improved HER activity of the MoS2/NiS2 composites could be due to the synergic effects between MoS2 and NiS2. This work could provide helpful guidance on how to design and construct efficient MoS2-based electrocatalysts for HER.

引用

页码：35013 / 35020

页数：8

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