Preparation of Mono-layer Pt Catalyst Supported on Au/Si and Its Electrochemical Properties

doi:10.6023/A1111232

Acta Chimica Sinica ›› 2012, Vol. 70 ›› Issue (10): 1159-1165.DOI: 10.6023/A1111232 Previous Articles Next Articles

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Au/Si 载体负载单层Pt 催化剂的制备及其电催化性能的研究

佟浩, 张艳玲, 朱佳佳, 张校刚, 何卫, 杨苏东, 何建平

南京航空航天大学材料科学与技术学院南京 210016

投稿日期:2011-11-23 修回日期:2012-01-28 发布日期:2012-02-06
通讯作者: 佟浩, 张校刚 E-mail:tongh@nuaa.edu.cn; azhangxg@163.com
基金资助:
中国博士后基金(No. 2011M500910)和南京航空航天大学基本科研业务费专项基金(No. NS2010165/56Y1066-062)资助项目.

Preparation of Mono-layer Pt Catalyst Supported on Au/Si and Its Electrochemical Properties

Tong Hao, Zhang Yanling, Zhu Jiajia, Zhang Xiaogang, He Wei , Yang Sudong, He Jianping

College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016

Received:2011-11-23 Revised:2012-01-28 Published:2012-02-06
Supported by:
Project supported by Chinese Postdoctor Funding (No. 2011M500910) and NUAA Research Funding (No. NS2010165/56Y1066-062).

By using underpotential deposition method, the mono-layer of Pt was prepared on the Au/Si supports fabricated by electroless deposition of Au on Si. The morphology and electrochemical properties of Pt/Au/Si catalyst was characterized by TEM and CV methods. The results show that the mass activity of mono-layer Pt supported on Au/Si is 8 times higher than that of commercial E-TEK (Pt/C) catalyst. Compared with the other multi-layer of Pt, the utilization ratio of mono-layer of Pt is the highest, leading to the higher electro-catalytic properties toward methanol and CO oxidation.

Key words: Si nanoparticles, Au/Si supports, underpotential deposition, monolayer Pt, electro-catalytic properties

Cite this article

Tong Hao, Zhang Yanling, Zhu Jiajia, Zhang Xiaogang, He Wei, Yang Sudong, He Jianping. Preparation of Mono-layer Pt Catalyst Supported on Au/Si and Its Electrochemical Properties[J]. Acta Chimica Sinica, 2012, 70(10): 1159-1165.

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Au/Si 载体负载单层Pt 催化剂的制备及其电催化性能的研究

Preparation of Mono-layer Pt Catalyst Supported on Au/Si and Its Electrochemical Properties

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