期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 492, 期 1-2, 页码 83-87出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2009.11.111
关键词
Transition metal alloys and compounds; Chemical synthesis; Catalysis and transmission electron microscopy
资金
- Beijing Natural Science foundation [207001]
- Funding Project for Academic Human Resources Development in Institutions of Higher Learning
- National 973 Program of China [2002CB211807]
- Education Committee of Beijing [JC031015200801]
- Doctoral Starting Foundation, Beijing University of Technology [05005013200701]
The Au-Ni bimetal nanoparticles were prepared by coreduction in aqueous solution and post-heat-treatment process. In this synthesis approach, NaBH4 was used as reductive reagent and sodium dodecyl sulfate was added as surfactant to control the size and the morphology of the nanoparticles. Post-heat-treatment was performed to further remove the oxide species on the surface of the nanoparticles. Structural and compositional evolution analysis of the nanostructured bimetals are performed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) and X-ray photoelectron spectrometry (XPS) measurements. The Au-Ni electrocatalysts for electro-oxidation of formic acid in acidic media were investigated. (C) 2009 Elsevier B.V. All rights reserved.
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