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Title Ethanol Sensing Performances of Zinc-doped Copper Oxide Nano-crystallite Layers
Authors Cretu, V.
Postica, V.
Ababii, N.
Schütt, F.
Hoppe, M.
Smazna, D.
Trofim, V.
Sontea, V.
Adelung, R.
Lupan, O.
Keywords chemical synthesis
nanocrystalline
ethanol
film
copper oxide
Cu2O
Type Conference Papers
Date of Issue 2015
URI http://essuir.sumdu.edu.ua/handle/123456789/42506
Publisher Sumy State University
License
Citation Ethanol Sensing Performances of Zinc-doped Copper Oxide Nano-crystallite Layers [Текст] / O. Lupan, V. Cretu, V. Postica et al. // Nanomaterials: Applications & Properties (NAP-2015) : Proceedings of the International Conference. — Sumy : Sumy State University, 2015. — V.4, No2. — 02NAESP02.
Abstract The synthesis via chemical solutions (aqueous) (SCS) wet route is a low-temperature and cost-effective growth technique of high crystalline quality oxide semiconductors films. Here we report on morphology, chemical composition, structure and ethanol sensing performances of a device prototype based on zincdoped copper oxide nanocrystallite layer. By thermal annealing in electrical furnace for 30 min at temperatures higher than 550 ˚C, as-deposited zinc doped Cu2O samples are converted to tenorite, ZnxCu1-xOy, (x=1.3wt%) that demonstrate higher ethanol response than sensor structures based on samples treated at 450 ˚C. In case of the specimens after post-growth treatment at 650 ˚C was found an ethanol gas response of about 79 % and 91 % to concentrations of 100 ppm and 500 ppm, respectively, at operating temperature of 400 ˚C in air.
Appears in Collections: Наукові видання (ЕлІТ)

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