Journal
MATERIALS RESEARCH BULLETIN
Volume 45, Issue 4, Pages 442-447Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2009.11.014
Keywords
Amorphous materials; Nanostructures; Catalytic properties
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Funding
- CDUT [2007-YG2, HZ0033]
- Natural Science Foundation of Sichuan Province [07ZA004]
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Monodispersed cobalt-boron spherical nanoparticles have been prepared through solution plasma processing in the presence of hexadecyltrimethyl ammonium bromide for the first time. The particle size of cobalt-boron can be adjusted by changing either the plasma time or the concentration of hexadecyltrimethyl ammonium bromide. The samples were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy. During the decomposition of hydrous hydrazine, the obtained monodispersed cobalt-boron spherical nanoparticles exhibit higher catalytic activity and hydrogen selectivity than regular cobalt-boron prepared by direct reduction of Co2+ with BH4-. The experimental investigations indicate that hydrous hydrazine along with the monodispersed cobalt-boron spherical nanoparticles may find application in small-scale on-board hydrogen storage and supply. (C) 2009 Elsevier Ltd. All rights reserved.
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