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