Iron, manganese co-doped Ni3S2 nanoflowers in situ assembled by ultrathin nanosheets as a robust electrocatalyst for oxygen evolution reaction

被引：99

作者：

Duan, Jiao-Jiao ^{[1
]}

Han, Zhu ^{[1
]}

Zhang, Ru-Lan ^{[1
]}

Feng, Jiu-Ju ^{[1
]}

Zhang, Lu ^{[1
]}

Zhang, Qian-Li ^{[2
]}

Wang, Ai-Jun ^{[1
]}

机构：

[1] Zhejiang Normal Univ, Coll Geog & Environm Sci, Coll Chem & Life Sci, Key Lab,Minist Educ Adv Catalysis Mat, Jinhua 321004, Zhejiang, Peoples R China

[2] Suzhou Univ Sci & Technol, Sch Chem & Biol Engn, Suzhou 215009, Peoples R China

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2021年 / 588卷

基金：

中国国家自然科学基金;

关键词：

Transition metal catalyst; Ni foam; Hydrothermal strategy; Oxygen evolution reaction; Transition metal doping;

D O I：

10.1016/j.jcis.2020.12.062

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：

Exploring high-performance and stable transition metal electrocatalysts is prerequisite for boosting overall water splitting efficiency. In this study, iron (Fe), manganese (Mn) co-doped three-dimensional (3D) Ni3S2 nanoflowers were in situ assembled by many inter-connected 2D nanosheets on nickel foam (NF) via hydrothermal and sulfuration treatment. By virtue of the introduced Fe and Mn elements and unique flower-like structures, the as-prepared catalyst displayed high activity and stability for oxygen evolution reaction (OER), coupled with a small Tafel slope (63.29 mV dec(-1)) and a low overpotential of 216 mV to reach the current density of 30 mA cm(-2). This study would shed some lights for facile synthesis of exceptional OER catalyst by tailoring the electronic structure and doping transition metal(s). (C) 2020 Elsevier Inc. All rights reserved.

引用

页码：248 / 256

页数：9

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