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Size-selected agglomerates of SnO₂ nanoparticles as gas sensors

Keskinen, Helmi; Tricoli, Antonio; Marjamäki, Marko; Mäkelä, Jyrki M.; Pratsinis, Sotiris E.

Description

The effect of nanoparticle structure on gas sensing performance is investigated. Size-selected nanostructured SnO₂ agglomerate particles for gas sensors were made by scalable flame spray pyrolysis. These particles were polydisperse (up to 12μm in diameter) and consisted of primary particles of 10nm in grain and crystal size as measured by transmission electron microscopy, x-ray diffraction, and Berner low pressure impactor (BLPI). The effect of agglomerate size on thermal stability and sensing...[Show more]

CollectionsANU Research Publications
Date published: 2009-10-26
Type: Journal article
URI: http://hdl.handle.net/1885/17072
Source: Journal of Applied Physics
DOI: 10.1063/1.3212995

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