A TEM study on the localization of metal particles in cogelled xerogel catalysts

Heinrichs, Benoît; Geus, J. W.; Lambert, Stéphanie; Pirard, Jean-Paul

doi:10.1016/j.jcat.2006.05.003

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Article (Scientific journals)

A TEM study on the localization of metal particles in cogelled xerogel catalysts

Heinrichs, Benoît; Geus, J. W.; Lambert, Stéphanie et al.

2006 • In Journal of Catalysis, 241 (1), p. 229-231

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/19813

DOI
10.1016/j.jcat.2006.05.003

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Keywords :

cogelled catalysts; metal particles localization; rotating transmission electron microscopy

Abstract :

[en] The localization of metal and alloy particles in monometallic Pd/SiO2 and bimetallic Pd-Ag/SiO2 sol-gel catalysts prepared by cogelation was examined by rotating transmission electron microscopy. The analysis of the resulting micrograph series provides a direct proof that the 2-to 3-nm active metal nanoparticles in those catalysts are located inside microporous silica particles or aggregates. Such localization has long been suspected but with, up to now, no direct evidence. (c) 2006 Elsevier Inc. All rights reserved.

Disciplines :

Physics
Chemical engineering
Chemistry
Materials science & engineering

Author, co-author :

Heinrichs, Benoît ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée

Geus, J. W.

Lambert, Stéphanie ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée

Pirard, Jean-Paul ; Université de Liège - ULiège > Département de chimie appliquée > Génie chimique - Chimie physique appliquée

Language :

English

Title :

A TEM study on the localization of metal particles in cogelled xerogel catalysts

Publication date :

01 July 2006

Journal title :

Journal of Catalysis

ISSN :

0021-9517

eISSN :

1090-2694

Publisher :

Academic Press Inc Elsevier Science, San Diego, United States - California

Volume :

241

Issue :

Pages :

229-231

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]

Available on ORBi :

since 25 August 2009

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