Preparation of platinum nanoparticle and its catalytic activity for toluene oxidation

Sang Chai Kim, Wang Geun Shim, Man Seung Lee, Sang Chul Jung, Young Kwon Park

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8 Scopus citations


Colloidal Pt nanoparticles are prepared using H 2PtCl 6 as a precursor, polyvinylpyrrolidone (PVP: molecular weight = 10,000 and 40,000) and hydrogen as a stabilizing agent and a reducing agent, respectively. The amounts of the precursor and the stabilizing agent and the molecular weight of PVP have an effect on the formation of Pt nanoparticles. Supported Pt catalyst (CSPt) is prepared from colloidal Pt nanoparticles and γ-Al 2O 3. Another supported Pt catalyst (ISPt) is prepared by using the conventional incipient wetness impregnation method with an aqueous H 2PtCl 6 solution and γ-Al 2O 3. The catalytic activities of CSPt and ISPt catalysts are compared for VOC (toluene) oxidation. Transmission Electron Microscopy (TEM), UV-vis, X-ray diffraction (XRD) and temperature programmed reduction (TPR) are used to characterize CSPt and ISPt catalysts. The experimental results reveal that the catalytic activity of CSPt is superior to that of ISPT.

Original languageEnglish
Pages (from-to)7347-7352
Number of pages6
JournalJournal of Nanoscience and Nanotechnology
Issue number8
StatePublished - Aug 2011


  • Catalyst
  • Nanoparticle
  • Oxidation
  • Pt


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