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Catalysis in Correlation with the Detailed Electronic Structure of the Surface

  • Thomas J. Gray
Part of the Materials Science Research book series (MSR, volume 7)

Abstract

The earliest suggesions of an inter-relationship between the electronic constitution of solids and the adsorption, desorption, and reaction processes which occur at their surfaces came in the work of Pisarzheveskii1 and Langmuir2. These relationships are also implicit in the work of Roginski3 and were in some measure amplified by Wagner4 and Nyrop5. Formulation of a correlation between electronic structure and catalysis was simultaneously developed by Garner and coworkers6 and by Volkenshtein7 which, in association with the rapid advances made in solid state theory, particularly as applied to semiconductors, has led to the almost universal acceptance of a general correlation between the electronic constitution of a catalyst and the adsorption and reaction processes which occur at its surface. Nevertheless, the oversimplified model adopted by many authors mitigates against a wider utilization of the general concepts in endeavouring to tailor catalysts for specific applications. There is a marked reluctance to accept the complexity of a realistic model deriving from modern concepts of the solid state. It has been repeatedly emphasized that in many particulars the minority electronic defects have greater significance than the majority defects as the rate-controlling species. Drawing on classical terminology they may be regarded as the “promoters”.

Keywords

Electronic Constitution Catalyst Material Surface Recombination Velocity Electronic Energy State High Energy Site 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1974

Authors and Affiliations

  • Thomas J. Gray
    • 1
  1. 1.Atlantic Industrial Research InstituteHalifaxCanada

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