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Issue 38, 2010
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Molecular based, chimie douce approach to 0D and 1D indium oxidenanostructures. Evaluation of their sensing properties towards CO and H2

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Abstract

The synthesis of a new molecular In(III) precursor complex, the generation of nanoscaled In2O3 (bixybyte structure) in 0D and 1D morphology, and the sensoric behavior of the 0D and 1D In2O3 nanostructures towards reducing gas atmospheres is studied. The indium precursor complex can be converted to a ceramic green body under mild reaction temperatures (160 °C), followed by conversion into crystalline indiumoxide at higher temperatures (350 °C). Geometric confinement by endotemplating of the molecular In precursor in track-etched polycarbonate templates yields polycrystalline indium oxide nanotubes in high yields. Controlled conversion of the molecular precursor without geometric confinement gives nanoparticulate crystalline In2O3. Both morphologically different In2O3 nanomaterials are sensitive to reducing gas conditions, however they show distinct differences towards reducing H2 and CO gas atmospheres.

Graphical abstract: Molecular based, chimie douce approach to 0D and 1D indium oxide nanostructures. Evaluation of their sensing properties towards CO and H2

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Supplementary files

Article information


Submitted
17 May 2010
Accepted
28 Jul 2010
First published
24 Aug 2010

J. Mater. Chem., 2010,20, 8311-8319
Article type
Paper

Molecular based, chimie douce approach to 0D and 1D indium oxide nanostructures. Evaluation of their sensing properties towards CO and H2

M. Pashchanka, R. C. Hoffmann, A. Gurlo and J. J. Schneider, J. Mater. Chem., 2010, 20, 8311
DOI: 10.1039/C0JM01490G

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