Hydrothermally treated sol solution of tin oxide for thin-film gas sensor

By N. Baik, G. Sakai, Norio Miura, Noboru Yamazoe. 2000

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Highly sensitive and fast responding CO sensor using SnO2 nanosheets (2008, background): “Thus far, the gas sensing properties of 0-demensional nanoparticles [3, 4 ], one-dimensional nanostructures such as nano-tubes [5,6], nanorods [7], and nanowires [8] as well as quasi-one-dimensional nanobelts [9] have been widely explored.”
Nanocrystalline indium oxide-doped tin oxide thin film as low temperature hydrogen sensor (2004, background): “Within the lower operating temperature range of 100–320 ◦C, the desorption of water and adsorption of the oxygen ions (O2− and O− ions) dominates [ 12 ], which increases the film resistance as well as the gas sensitivity due to increased number of active surface sites (O2− and O− ions) for the chemi”
The selective detection of C2H5OH using SnO2–ZnO thin film gas sensors prepared by combinatorial solution deposition (2007, methodology): “The precursor sols of ZnO and SnO2 for solution deposition of sensing films were prepared using the methods suggested by Li et al. [15] and Baik et al. [ 16 ], respectively.”