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We describe uniform and high-temperature-stable mesoporous TiO2 beads functionalized with gold nanoparticles (AuNPs-TiO2) for use in conductometric sensing of gases and organic vapors. The size of the interconnected main mesopores of the TiO2 beads ranges from 8 to 15 nm, and the AuNPs have diameters between 8 and 10 nm. The mesoporous TiO2 beads are formed during calcination while the structure-directing...
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