Photoreduction of CO2 using copper-decorated TiO2 nanorod films with localized surface plasmon behavior

被引：79

作者：

Tan, Jeannie Z. Y. ^{[1
]}

Fernandez, Yolanda ^{[2
,3
]}

Liu, Dong ^{[2
]}

Maroto-Valer, Mercedes ^{[2
]}

Bian, Juncao ^{[1
]}

Zhang, Xiwen ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat Sci, Hangzhou 310027, Zhejiang, Peoples R China

[2] Univ Nottingham, CICCS, Fac Engn, Nottingham NG7 2RD, England

[3] CSIC, Inst Nacl Carbon, E-33080 Oviedo, Spain

来源：

CHEMICAL PHYSICS LETTERS | 2012年 / 531卷

关键词：

PHOTOCATALYTIC CONVERSION; TITANIA; DECOMPOSITION; EXPLOITATION; REDUCTION; RESONANCE; DIOXIDE; DESIGN; RUTILE; FUELS;

D O I：

10.1016/j.cplett.2012.02.016

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：

This Letter shows the activity of a novel metal/semiconductor photocatalyst for reducing CO2 to CH4 in the presence of H2O under UV-light irradiation. This composite is prepared on a transparent conductive substrate by an hydrothermal method for depositing TiO2 nanorod films, and then loaded with Cu nanoparticles (NPs) by an electrochemical method. The plasmonic properties of Cu NPs greatly enhance the resulting photoactivity with respect to that of pure TiO2 nanorod films. The final CH4 production rate observed (similar to 2.91 ppm/g(catal). h) represents an improvement compared to specific values reported by other authors using conventional titania-based catalysts. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：149 / 154

页数：6

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