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Aerogel-coated metal nanoparticle colloids as novel entities for the synthesis of defined supported metal catalysts

Abstract:

Nanometer metal particles of tailored size (3-5 nm) and composition prepared via inverse microemulsion were encapsulated by ultrathin coatings (<2.5 nm) of inorganic porous aerogels covered with surface -OH groups. These composite materials formed metastable colloids in solvent(s), and the organic surfactant molecules were subsequently removed without leading to aggregation (the ethanolic colloid solution was shown to be stable against flocculation for at least weeks). We demonstrate that ...

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Authors


Yeung, CMY More by this author
Thompsett, D More by this author
Journal:
Journal of Physical Chemistry B
Volume:
107
Issue:
19
Pages:
4515-4526
Publication date:
2003-05-15
ISSN:
1520-6106
URN:
uuid:285b5618-e453-4cfb-a7b7-85ff22f02831
Source identifiers:
180236
Local pid:
pubs:180236
Language:
English

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