Preparation Of Niobium-Doped Titanium Oxide Film By Liquid Phase Deposition
Japanese Journal of Applied Physics(2007)
摘要
Niobium-doped amorphous titanium oxide film can be deposited on a Corning glass substrate using a mixture of ammonium hexafluorotitanate, boric acid, niobium oxide and ammonium hydrogen fluoride aqueous solutions. After thermal annealing, the nanocrystallite niobium-doped titanium oxide film can be obtained. The smaller crystallite size of nanocrystal lite niobium-doped titanium oxide than that of undoped-titanium oxide benefits the catalytic activity for sensing gas. A thin-film niobium-doped titanium oxide oxygen sensor with a higher sensitivity and a faster response is demonstrated.
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关键词
liquid phase deposition,niobium doping,nanocrystallite,titanium oxide,oxygen sensor
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