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Revista mexicana de física
Print version ISSN 0035-001X
Abstract
FRAIGI, L.B; WEINSTOCK, A and MOINA, C.A. SnO2 thick film gas sensors additivated with noble metal nanoparticles obtained by chemical synthesis. Rev. mex. fis. [online]. 2006, vol.52, suppl.2, pp.14-16. ISSN 0035-001X.
In this work, Pt nanoparticles obtained by different synthetic routes were incorporated into nanostructured SnO2 powders by contact transference. The presence of the nanoparticles was confirmed by XRD and TEM. When used as sensitive material in the fabrication of gas sensors, the SnO2/Pt nanoparticle composites obtained showed a high sensitivity towards the detection of reductive gases such as CO.
Keywords : Thick film gas sensors; Pt nanoparticles; CO detection.