Ag-V2O5/TiO2 total oxidation catalyst: autocatalytic removal of the surfactant and synergy between silver and vanadia

Debecker, Damien;Delaigle, Romain;Joseph, Mélissa;Faure, Chrystel;Gaigneaux, Eric
(2010) Scientific Bases for the Preparation of Heterogeneous Catalysts - Proceedings of the 10th International Symposium — Location: Louvain-la-Neuve (11.July.2010)

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Authors
  • Debecker, DamienUCLouvain
    Author
  • Delaigle, RomainUCLouvain
    Author
  • Joseph, MélissaUCLouvain
    Collaborator
  • Faure, ChrystelUniversité de Bordeaux 1
    Author
  • Gaigneaux, Ericorcid-logoUCLouvain
    Author
Abstract
Silver nanoparticles prepared at room temperature in multilayer organic vesicles are deposited onto a V2O5/TiO2 support to produce a bifunctional oxidation catalyst performing very well in the total oxidation of benzene. The synergy between Ag and V2O5 takes place only when the surfactant is eliminated by in situ calcination. This paper shows that vanadium oxide autocatalytically promotes the combustion of this organic matter. This effect allows treating the catalyst at lower temperature which leads to an enhanced doping effect of the small tailored Ag nanoparticles, presumably because sintering is avoided.
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Debecker, D., Delaigle, R., Faure, C., & Gaigneaux, E. (2010). Ag-V2O5/TiO2 total oxidation catalyst: autocatalytic removal of the surfactant and synergy between silver and vanadia. Studies in Surface Science and Catalysis, 175, 805-809. https://doi.org/10.1016/S0167-2991(10)75165-X (Original work published 2010)