Electrocatalytic O2 Reduction by [Fe-Fe]-Hydrogenase Active Site Models

被引：55

作者：

Dey, Subal ^{[1
]}

Rana, Atanu ^{[1
]}

Crouthers, Danielle ^{[2
]}

Mondal, Biswajit ^{[1
]}

Das, Pradip Kumar ^{[1
]}

Darensbourg, Marcetta Y. ^{[2
]}

Dey, Abhishek ^{[1
]}

机构：

[1] Indian Assoc Cultivat Sci, Dept Inorgan Chem, Kolkata 700032, India

[2] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2014年 / 136卷 / 25期

基金：

美国国家科学基金会;

关键词：

ELECTROCHEMICAL HYDROGEN-PRODUCTION; FEFE HYDROGENASES; CRYSTAL-STRUCTURE; IRON HYDROGENASE; H-CLUSTER; DIIRON; ENERGY; COMPLEXES; OXYGEN; ELECTROREDUCTION;

D O I：

10.1021/ja5021684

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The instability of [Fe-Fe]-hydrogenase and its synthetic models under aerobic conditions is an inherent challenge in their development as practical H-2 producing electrodes. The electrochemical oxygen reduction reaction of a series of synthetic model complexes of the [Fe-Fe] hydrogenase is investigated, and a dominant role of the bridgehead nitrogen in reducing the amount of partially reduced oxygen species (PROS), which is detrimental to the stability of these complexes, is discovered.

引用

页码：8847 / 8850

页数：4

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