A new and generic preparation method of mesoporous clay composites containing dispersed metal oxide nanoparticles

Li, Jin Jun, Mu, Zhen, Xu, Xiu Yan, Tian, Hua, Duan, Ming Hua, Li, Lan Dong, Hao, Zheng Ping, Qiao, Shi Zang and Lu, Gao Qing (2008) A new and generic preparation method of mesoporous clay composites containing dispersed metal oxide nanoparticles. Microporous and Mesoporous Materials, 114 1-3: 214-221. doi:10.1016/j.micromeso.2008.01.007


Author Li, Jin Jun
Mu, Zhen
Xu, Xiu Yan
Tian, Hua
Duan, Ming Hua
Li, Lan Dong
Hao, Zheng Ping
Qiao, Shi Zang
Lu, Gao Qing
Title A new and generic preparation method of mesoporous clay composites containing dispersed metal oxide nanoparticles
Journal name Microporous and Mesoporous Materials   Check publisher's open access policy
ISSN 1387-1811
Publication date 2008-09-01
Year available 2008
Sub-type Article (original research)
DOI 10.1016/j.micromeso.2008.01.007
Open Access Status
Volume 114
Issue 1-3
Start page 214
End page 221
Total pages 8
Editor M. Stoecker
Place of publication Netherland
Publisher Elsevier BV
Language eng
Subject C1
100708 Nanomaterials
970103 Expanding Knowledge in the Chemical Sciences
Abstract Nanosized oxide precursors of various transitional metals, including iron, chromium, cobalt, manganese and cerium, were prepared by dissolving their corresponding hydroxides in acetic acid solutions. These precursors were used to substitute the sodium ions in laponite clay like the way to prepare pillared clays, forming mesoporous solids with high surface areas of ca. 510-640 m(2)/g. Stabilised by the adsorbed acetic acid molecules, the nanoparticle precursors of the metal oxides were well dispersed on the silicate platelets during the synthesis. The increase in the porosity after the intercalation of nanoparticles is primarily interpreted in terms of further delamination of the laponite clay caused by the reaction between the acidic metal precursor solutions and the silicate platelets. The clay composites containing nanoparticles of cobalt oxide appeared much more active than the impregnated cobalt catalysts in the deep oxidation of volatile organic compounds.
Keyword Mesoporous Clay Composites
Nanoparticles Laponite
VOCs
Catalytic Oxidation
Q-Index Code C1
Q-Index Status Confirmed Code
Grant ID 2004CB719500
2006AA06A310
20725723
Institutional Status UQ

 
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Created: Tue, 07 Apr 2009, 22:26:58 EST by Amanda Lee on behalf of School of Chemical Engineering