Ligand Functionalized Iron-Based Metal-Organic Frameworks for Efficient Electrocatalytic Oxygen Evolution

被引：21

作者：

Qi, Qianglong ^{[1
,2
]}

Tai, Jun ^{[2
]}

Hu, Jue ^{[1
]}

Zhang, Zihan ^{[1
]}

Dai, Linqing ^{[1
]}

Song, Hongchuan ^{[3
]}

Shao, Minhua ^{[4
,5
]}

Zhang, Chengxu ^{[1
]}

Zhang, Libo ^{[1
]}

机构：

[1] Univ Sci & Technol, Fac Met & Energy Engn Kunming, Kunming 650093, Yunnan, Peoples R China

[2] Kunming Univ Sci & Technol, Fac Sci, Kunming 650093, Yunnan, Peoples R China

[3] Yunnan Normal Univ, Sch Energy & Environm Sci, Kunming 650092, Yunnan, Peoples R China

[4] Hong Kong Univ Sci & Technol, Dept Chem & Biol Engn, Kowloon, Clear Water Bay, Hong Kong, Peoples R China

[5] HKUST Shenzhen Res Inst, 9 Yuexing 1st RD South Area Hitech Pk Nanshan, Shenzhen 518057, Peoples R China

来源：

CHEMCATCHEM | 2021年 / 13卷 / 23期

关键词：

Defect Strain; Metal-organic frameworks; Ligand functionalization; Oxygen evolution reaction; Electrocatalysis; LAYERED DOUBLE HYDROXIDE; CATALYST; NANOPARTICLES; CONVERSION; NANOSHEETS; VACANCIES; SITES;

D O I：

10.1002/cctc.202101242

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：

Fe-based metal-organic frameworks (MOFs) have been reported as potential catalysts for electrocatalytic oxygen evolution reaction (OER). However, it is still a great challenge to rationally design robust MOF catalysts with reasonable ligands due to the lack of research on tunable structure architecture. Herein, a series of Fe-based MOFs with tunable ligands have been designed and synthesized for OER for the first time. The functionalized Fe-MOFs-NHCHO and Fe-MOFs-NO2 derived catalysts show higher OER activity than the pristine Fe-MOFs. Remarkably, the best-performing Fe-MOFs-NHCHO shows an ultra-low overpotential of 246 mV at a current density of 10 mA cm(-2), which is 37 mV lower than Fe-MOFs. This research provides a new design concept based on MOFs materials, in the hope of finding excellent OER catalysts.

引用

页码：4976 / 4984

页数：9

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