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Porosity through reduction in metal oxides

Published online by Cambridge University Press:  01 February 2011

Daniel P Shoemaker ,
Serena Ann Corr  and
Ram Seshadri
Daniel P Shoemaker
Affiliation:
dshoe@mrl.ucsb.edu, University of California Santa Barbara, Materials, Santa Barbara, California, United States
Serena Ann Corr
Affiliation:
serena@mrl.ucsb.edu, University of California Santa Barbara, Materials Research Laboratory, Santa Barbara, California, United States
Ram Seshadri
Affiliation:
seshadri@mrl.ucsb.edu, United States
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Abstract

Routes to porous materials with nanoscale dimensions have been investigated. In the first example presented, porous manganese oxide has been prepared by leaching Ni metal from a nickel-manganese oxide precursor via reduction. Electron microscopy studies have revealed the presence of Ni nanoparticles on the surface, and also embedded within the porous MnO matrix. Magnetic measurements have shown exchange bias between the ferromagnetic Ni nanoparticles and the antiferromagnetic MnO phase. In the second system studied, porous nanostructures of rutile VO2 and corundum V2O3 have been prepared by reduction of amine-templated V2O5−δ nanoscrolls. The porosity of these materials has been probed by electron microscopy, N2 sorption measurements and thermogravimetric analysis.

Keywords

porositymetaloxide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1148: Symposium PP – Solid-State Chemistry of Inorganic Materials VII , 2008 , 1148-PP10-01
Copyright
Copyright © Materials Research Society 2009

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References

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