Highly efficient electrocatalytic hydrogen evolution from neutral aqueous solution by a water-soluble anionic cobalt(II) porphyrin

被引：89

作者：

Beyene, Belete B. ^{[1
,2
,3
]}

Mane, Sandeep B. ^{[1
]}

Hung, Chen-Hsiung ^{[1
]}

机构：

[1] Acad Sinica, Inst Chem, Taipei 11529, Taiwan

[2] Natl Tsing Hua Univ, Dept Chem, Hsinchu 30013, Taiwan

[3] Taiwan Int Grad Program, Mol Sci & Technol, Taipei 10617, Taiwan

来源：

CHEMICAL COMMUNICATIONS | 2015年 / 51卷 / 81期

关键词：

HOMOGENEOUS CATALYSIS; GENERATING HYDROGEN; PROTON REDUCTION; RECENT PROGRESS; VISIBLE-LIGHT; COMPLEXES; CHALLENGES; MEDIATION; OXIDATION; ELECTRODE;

D O I：

10.1039/c5cc05582b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report the use of a water-soluble anionic cobalt(II) tetrakis( p-sulfonatophenyl) porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H-2 generation from neutral H2O without any organic additives. The molecule features nearly quantitative Faradaic efficiency with a turnover frequency of similar to 1.83 s(-1) measured over 1 h and a turnover number of 1.9 x 10(4) moles of H-2 per mole of catalyst with no loss of activity over 73 h at an applied potential of -1.29 V (vs. SHE) in neutral phosphate buffer solution.

引用

页码：15067 / 15070

页数：4

共 37 条

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