Issue 16, 2015
From the journal:

RSC Advances

Promoting effects of lanthanum on the catalytic activity of Au/TiO2 nanotubes for CO oxidation

Ping Zhang,a   Jiuli Guo,a   Peng Zhao,a   Bolin Zhu,a   Weiping Huanga  and  Shoumin Zhang*a  

* Corresponding authors

a Key Laboratory of Advanced Energy Material Chemistry (MOE), Tianjin Key Lab of Metal and Molecule Based Material Chemistry, and Department of Chemistry, Nankai University, Tianjin 300071, P. R. China
E-mail: zhangsm@nankai.edu.cn

Abstract

Lanthanum-modified TiO2 nanotube (NT) supported gold catalysts were prepared. The linear relationship between actual and nominal lanthanum concentrations was found. The possible formation mechanism of La-modified TiO2 NTs was suggested. The effects of calcination temperature, La concentration and gold loading on the catalytic activity for CO oxidation were investigated. Au/La2O3–TiO2-NTs (Au: 4.18%, La: 1.62%) calcined at 300 °C could completely convert CO at 30 °C. T100% of La-free catalyst was 60 °C. The catalytic activity of Au/TiO2-NTs could be improved by modification with lanthanum.

Graphical abstract: Promoting effects of lanthanum on the catalytic activity of Au/TiO2 nanotubes for CO oxidation

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Article information

DOI
https://doi.org/10.1039/C4RA14133D
Article type
Communication
Submitted
08 Nov 2014
Accepted
13 Jan 2015
First published
14 Jan 2015

RSC Adv., 2015,5, 11989-11995

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Promoting effects of lanthanum on the catalytic activity of Au/TiO2 nanotubes for CO oxidation

P. Zhang, J. Guo, P. Zhao, B. Zhu, W. Huang and S. Zhang, RSC Adv., 2015, 5, 11989 DOI: 10.1039/C4RA14133D

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