In situ encapsulation of Pt nanoparticles in mesoporous silica: Synthesis, characterisation and effect of particle size on CO oxidation

[Display omitted] • Employing mesoporous channels as moulds for in situ synthesis of Pt nanoparticles. • Particles of size 4.4 nm isolated exclusively in the channels of mesoporous silica. • CO oxidation kinetics studied in catalysts with 1.8, 3.6, 4.4 and 8 nm Pt particles. • Particles of size...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 2011-08, Vol.403 (1), p.91-97
Main Authors: Prashar, Atul K., Mayadevi, S., Rajamohanan, P.R., Nandini Devi, R.
Format: Article
Language:English
Subjects:
Activation energy
Carbon monoxide
Catalysis
Catalysts
Chemistry
CO oxidation
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
In situ synthesis
Mesoporous silica
Micelles. Thin films
Nanoparticles
Oxidation
Particulate composites
Physical and chemical studies. Granulometry. Electrokinetic phenomena
Platinum
Porous materials
Pt nanoparticle
Silicon dioxide
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:[Display omitted] • Employing mesoporous channels as moulds for in situ synthesis of Pt nanoparticles. • Particles of size 4.4 nm isolated exclusively in the channels of mesoporous silica. • CO oxidation kinetics studied in catalysts with 1.8, 3.6, 4.4 and 8 nm Pt particles. • Particles of size
ISSN:0926-860X
1873-3875
DOI:10.1016/j.apcata.2011.06.016