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Cluster Size Dependent Kinetics: Analysis of Different Reaction Mechanisms

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Abstract

Quantitative description for turnover frequency dependence on the metal cluster size is discussed for competitive Langmuir–Hinshelwood mechanism showing that the apparent reaction orders depend on the cluster size. Position of the maximum rate of the turnover frequency for a two-step sequence is a function on temperature and only in a special case, maximum of the turnover frequency is temperature independent on reaction temperature. For the same reaction mechanism the impact of internal diffusion limitations on structure sensitivity is discussed.

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Acknowledgments

This work was partially executed at the Laboratory of Catalytic Technologies at St. Petersburg State Institute of Technology supported by the mega-grant of the Government of the Russian Federation.

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Authors and Affiliations

  1. Åbo Akademi University, Turku, Finland

    Dmitry Yu. Murzin

  2. St. Petersburg State Institute of Technology, St. Petersburg, Russia

    Dmitry Yu. Murzin

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  1. Dmitry Yu. Murzin
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Correspondence to Dmitry Yu. Murzin.

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Murzin, D.Y. Cluster Size Dependent Kinetics: Analysis of Different Reaction Mechanisms. Catal Lett 145, 1948–1954 (2015). https://doi.org/10.1007/s10562-015-1604-6

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  • DOI: https://doi.org/10.1007/s10562-015-1604-6

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