The Effect of Size-Dependent Nanoparticle Energetics on Catalyst Sintering

DOI Web Site 被引用文献23件
  • Charles T. Campbell
    Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195–1700, USA.
  • Stephen C. Parker
    Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195–1700, USA.
  • David E. Starr
    Department of Chemistry, Box 351700, University of Washington, Seattle, WA 98195–1700, USA.

書誌事項

公開日
2002-10-25
DOI
  • 10.1126/science.1075094
公開者
American Association for the Advancement of Science (AAAS)

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説明

<jats:p>Calorimetric measurements of metal adsorption energies directly provide the energies of metal atoms in supported metal nanoparticles. As the metal coverage increases, the particles grow, revealing the dependence of this energy on particle size, which is found to be much stronger than predicted with the usual Gibbs-Thompson relation. It is shown that this knowledge is crucial to accurately model long-term sintering rates of metal nanoparticles in catalysts.</jats:p>

収録刊行物

  • Science

    Science 298 (5594), 811-814, 2002-10-25

    American Association for the Advancement of Science (AAAS)

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