A functionalised nickel cyclam catalyst for CO2 reduction: electrocatalysis, semiconductor surface immobilisation and light-driven electron transfer

被引：54

作者：

Neri, Gaia ^{[1
]}

Walsh, James J. ^{[1
]}

Wilson, Calum ^{[1
]}

Reynal, Anna ^{[2
]}

Lim, Jason Y. C. ^{[2
]}

Li, Xiaoe ^{[2
]}

White, Andrew J. P. ^{[2
]}

Long, Nicholas J. ^{[2
]}

Durrant, James R. ^{[2
]}

Cowan, Alexander J. ^{[1
]}

机构：

[1] Univ Liverpool, Stephenson Inst Renewable Energy, Dept Chem, Liverpool L69 7ZF, Merseyside, England

[2] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AZ, England

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

COMPLEX HYBRID PHOTOCATALYST; CARBON-DIOXIDE REDUCTION; METAL-COMPLEX; PHOTOELECTROCHEMICAL CELLS; PHOTOCHEMICAL REDUCTION; SELECTIVE REDUCTION; TIO2; ELECTRODES; WATER; PHOTOREDUCTION; CONVERSION;

D O I：

10.1039/c4cp04871g

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：

The immobilisation of electrocatalysts for CO2 reduction onto light harvesting semiconductors is proposed to be an important step towards developing more efficient CO2 reduction photoelectrodes. Here, we report a low cost nickel cyclam complex covalently anchored to a metal oxide surface. Using transient spectroscopy we validate the role of surface immobilisation on enhancing the rate of photoelectron transfer. Furthermore [Ni(1,4,8,11-tetraazacyclotetradecane-6-carboxylic acid)](2+) (2) is shown to be a very active electrocatalyst in solution.

引用

页码：1562 / 1566

页数：5

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