Catalysis Letters

, Volume 145, Issue 11, pp 1948–1954 | Cite as

Cluster Size Dependent Kinetics: Analysis of Different Reaction Mechanisms



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.

Graphical Abstract


Structure sensitivity Kinetic analysis Temperature dependence Optimum cluster size Langmuir–Hinshelwood kinetics Eley–Rideal mechanism Two step sequence 



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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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Åbo Akademi UniversityTurkuFinland
  2. 2.St. Petersburg State Institute of TechnologySt. PetersburgRussia

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