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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. |
ORCID | |
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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Files
File | Size | Format | Downloads |
---|---|---|---|
Cretu.pdf | 1 MB | Adobe PDF | -359144407 |
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