Selective and Efficient Photocatalytic CO2 Reduction to CO Using Visible Light and an Iron-Based Homogeneous Catalyst

被引：282

作者：

Bonin, Julien ^{[1
]}

Robert, Marc ^{[1
]}

Routier, Mathilde ^{[1
]}

机构：

[1] Univ Paris Diderot, Sorbonne Paris Cite, Lab Electrochim Mol, UMR CNRS 7591, F-75205 Paris 13, France

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2014年 / 136卷 / 48期

关键词：

CARBON-DIOXIDE REDUCTION; ELECTROCHEMICAL REDUCTION; ELECTROCATALYTIC REDUCTION; PHOTOCHEMICAL REDUCTION; CONVERSION; COMPLEX; RHENIUM; ELECTROREDUCTION; MECHANISMS; FREQUENCY;

D O I：

10.1021/ja510290t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Converting CO2 into valuable compounds using sunlight as the energy input and an earth-abundant metal complex as the catalyst is an exciting challenge related to contemporary energy issues as well as to climate change. By using an inexpensive organic photosensitizer under visible-light excitation (lambda > 400 nm) and a substituted iron(0) tetraphenylporphyrin as a homogeneous catalyst, we have been able to generate carbon monoxide from CO2 selectively with high turnover numbers. Sustained catalytic activity over a long time period (lambda > 50 h) did not lead to catalyst or sensitizer deactivation. A catalytic mechanism is proposed.

引用

页码：16768 / 16771

页数：4

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