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TOPIC:

Formation, characterization and chemical properties of supported gold-based bimetallic nanoparticles

2008-2010

No. 104/08/1501, Grant Agency of the Czech Republic

Abstract:
The aim of this research is to find and optimize conditions for formation of supported Au-Pd and Au-Pt bimetallic nanoparticles with desired composition and atomically clean surfaces by controlled sequential vapour deposition and laser ablation. Supports relevant to heterogeneous catalysis including graphite and Al2O3, ZrO2, WOx, and VOx oxides will be used throughout this study as supports. For characterization of the produced nanoparticles the following techniques will be employed: XPS, SRPES, ISS, FEM and AFM. Adsorption of CO, NO (O2, C2H4) gases on nanoparticles will be investigated using electron spectroscopy methods and TPD technique. Electrochemical properties of graphite supported bimetallic nanoparticles will be examined by cyclic voltammetry. Bimetallic, gold-based nanoparticles represent very important class of materials particularly in the gas phase catalysis, electrocatalysis and in development of fuel cells.

    Ing. PLĹ EK Jan, Ph. D.

    Department: Department of Low-dimensional Systems
    Phone: (+420) 26605 3545
    Fax: (+420) 286582307
    E-mail: jan.plsekatjh-inst.cas.cz
    Room: 313


http://www.rvvi.cz/cep?ss=detail&n=0&h=GA104%2F08%2F1501


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