Tuning the oxygen evolution reaction on a nickel-iron alloy via active straining

被引：51

作者：

Wang, Anqi ^{[1
]}

Zhao, Zhonglong ^{[2
]}

Hu, Di ^{[1
]}

Niu, Junfeng ^{[3
]}

Zhang, Man ^{[1
]}

Yan, Kai ^{[1
]}

Lu, Gang ^{[2
]}

机构：

[1] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangdong Prov Key Lab Environm Pollut & Remediat, 135 Xingang Xi Rd, Guangzhou 510275, Guangdong, Peoples R China

[2] Calif State Univ Northridge, Dept Phys & Astron, Northridge, CA 91330 USA

[3] Dongguan Univ Technol, Res Ctr Ecoenvironm Engn, Dongguan 523808, Peoples R China

来源：

NANOSCALE | 2019年 / 11卷 / 02期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

HYDROGEN-EVOLUTION; ELASTIC STRAIN; CATALYTIC-ACTIVITY; REACTION-RATES; REDUCTION; ELECTROCATALYSIS;

D O I：

10.1039/c8nr08879a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report that one can gain active control of the electrocatalytic oxygen evolution reaction (OER) on Ni3Fe thin films via externally applied strains. The combination of theory and experiments shows that an elastic strain on the surface can tune the OER activity in a predictable way that is consistent with the d-band model. The OER overpotential can be lowered by uniaxial tensions and increased by compressions in a linear manner.

引用

收藏

页码：426 / 430

页数：5

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