Minimal cross-sensitivity to humidity during ethanol detection by SnO2-TiO2 solid solutions
A nanocomposite material is presented that optimally combines the excellent gas sensitivity of SnO2 and the selectivity of TiO2. Nanostructured, rutile titanium-tin oxide solid solutions up to 81.5% Ti, as determined by x-ray diffraction, are made by scalable spray combustion (flame spray pyrolysis) of organometallic precursor solutions, directly deposited and in situ annealed onto sensing electrodes in one step. Above that content, segregation of anatase TiO2 takes place. It was discovered...[Show more]
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