| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Deposition Behavior and Mechanism of Ni Nanoparticles on Surface of SiC Particles in Solution Systems |
XU Hui1,2, KANG Yu-Qing3, ZHANG Lu3, JIN Hai-Bo3, WEN Bo3, WEN Bao-Li4, YUAN Jie3, CAO Mao-Sheng3
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| 1School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001 2Engineering Department of Materials and Chemistry, Heilongjiang Institute Technology, Harbin 150050 3School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081 4Qiqihar Railway Rolling Stock CO., LTD, Qiqihar 161002 |
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| Cite this article: |
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XU Hui, KANG Yu-Qing, ZHANG Lu et al 2010 Chin. Phys. Lett. 27 058103 |
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Abstract Ni-deposited SiC particles are prepared successfully by a facile chemical reaction approach. The structure and morphology analyses demonstrate the Ni nanoparticles have been deposited on the surface of SiC particles. The deposition behavior of Ni on the surface of SiC particles is investigated. Pd-Sn catalytic nuclei formed in the pretreatment process promote the redox reaction and lead to the reduction of Ni2+ to metal nickel. Moreover, the kinetic mechanism of the reaction process of Ni2+ and  has also been discussed in detail. Kinetic models have been established.
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| Keywords:
81.07.Wx
82.45.Un
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Received: 09 March 2010
Published: 23 April 2010
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| PACS: |
81.07.Wx
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(Nanopowders)
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82.45.Un
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(Dielectric materials in electrochemistry)
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