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Synthesis of sub-nanometer gold particles on modified silica

The deposition of gold on silica tends to give large particles when using conventional techniques. We report the preparation of 0.8 ± 0.2 nm particles on a modified SBA-15 support. The method involves the functionalization of silica with amine groups and deposition of gold at basic pH. These catalys...

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Bibliographic Details
Published in:Dalton transactions : an international journal of inorganic chemistry 2016-02, Vol.45 (7), p.2983-2988
Main Authors: Beloqui Redondo, A, Ranocchiari, M, van Bokhoven, J. A
Format: Article
Language:English
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Summary:The deposition of gold on silica tends to give large particles when using conventional techniques. We report the preparation of 0.8 ± 0.2 nm particles on a modified SBA-15 support. The method involves the functionalization of silica with amine groups and deposition of gold at basic pH. These catalysts are highly active and selective in the dehydrogenation of formic acid. The deposition of gold on silica tends to give large particles when using conventional techniques.
ISSN:1477-9226
1477-9234
DOI:10.1039/c5dt04957a