Influence of the catalytic introduction procedure on the nano-SnO2 gas sensor performances

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Sensing low concentrations of CO using flame-spray-made Pt/SnO2 nanoparticles (2006, methodology): “In this case the platinum was introduced either by impregnation of the pre-calcined SnO2 with a platinum chloride precursor or by precipitating it in solution before the thermal treatment (Kappler et al., 1998, 2001; Cabot et al., 2000, 2001, 2002; Cabot, 2004).”
Metal-core@metal oxide-shell nanomaterials for gas-sensing applications: a review (2015, background): “Precious metals such as platinum (Pt), palladium (Pd), silver (Ag), and gold (Au) have been reported to improve the sensing properties (Cabot et al. 2001; Zhang et al. 1994; Phani 1997; Xu et al. 1991).”
Raman Spectroscopy of Nanomaterials: How Spectra Relate to Disorder, Particle Size and Mechanical Properties (2007, background): “Some specific features can even be used to study a charge transfer [28,29], a film orientation [30], the size of clusters trapped in nano-cavities [31], Grüneisen parameter [32], configurational order (for instance the proportion of trans-gauche chains in Poly(ethylene terephtalate)-PET [33]) or int”