Effect of Surface Properties and Mobility in Chemical Reactions and Catalysis
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Catalytic Materials".
Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 14899
Special Issue Editor
Interests: preparation, characterization, and catalytic activity of metal-supported catalysts; surface properties of solids; pollutants adsorption; environmental management; industrial waste valorization
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Special Issue Information
Dear Colleagues,
When the surface of a solid is exposed to a mixture of gases or liquids that would not react in the liquid or gas phases, adsorption can promote the reaction kinetics for at least two reasons: it increases the local concentration of the reactants on the surface, or it attracts one of the reactants or possibly both, generating a state that lowers the activation energy barrier due to the presence of active sites. These are the two simple basic principles on which catalysis is based.
Despite this apparent simplicity, there are many questions behind the notion of catalytic activity: What is the physical meaning of the concept of “active site”? How does the distribution and size of the “active site” influence on the surface affect the catalytic result? What is the role of surface diffusion and porosity? How do the chemical properties of the support/catalyst affect the catalytic result? Is it possible to differentiate the bifunctional character of a catalyst? These and many other questions will be dealt in this Special Issue.
Prof. Dr. Antonio Gil Bravo
Guest Editor
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Keywords
- heterogeneous catalysis
- textural properties
- surface properties
- active site
- supported catalysts
- chemical surface characterization
- metal dispersion
- species mobility
- spillover
- mobility
- chemical and physical adsorption
- remote control
- stability
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