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Erschienen in: Journal of Materials Science: Materials in Electronics 21/2017

20.07.2017

Hierarchically assembled tin-doped zinc oxide nanorods using low-temperature immersion route for low temperature ethanol sensing

verfasst von: R. Mohamed, M. H. Mamat, A. S. Ismail, M. F. Malek, A. S. Zoolfakar, Z. Khusaimi, A. B. Suriani, A. Mohamed, M. K. Ahmad, M. Rusop

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 21/2017

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Abstract

Tin-doped zinc oxide nanorods (Sn:ZnO NRs) were prepared on magnesium (Mg)–aluminum (Al) co-doped ZnO seeded layer-coated glass substrate using low-temperature solution immersion for ethanol gas sensor applications. The crystallite size, diameter size, and thickness of Sn:ZnO NRs were found to be 46, 84, and 480 nm, respectively; these values were smaller than the values of those of undoped ZnO nanorods (ZnO NRs). Sn:ZnO NRs exhibited a hexagonal-shape structure with c-axis orientation. Sn:ZnO NRs also presented compressive strain and tensile stress with values of −1.61% and 3.75 GPa, respectively. The ethanol gas sensor based on Sn:ZnO NRs obtained a response of 3.8 and response/recovery times of 75 s/53 s to ethanol gas (240 ppm) at 100 °C; thus, Sn:ZnO NRs produced better sensing performance than ZnO NRs. Results demonstrate that Sn:ZnO NRs are very promising in fabricating ethanol gas sensors with high response at low operating temperature.

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Metadaten
Titel
Hierarchically assembled tin-doped zinc oxide nanorods using low-temperature immersion route for low temperature ethanol sensing
verfasst von
R. Mohamed
M. H. Mamat
A. S. Ismail
M. F. Malek
A. S. Zoolfakar
Z. Khusaimi
A. B. Suriani
A. Mohamed
M. K. Ahmad
M. Rusop
Publikationsdatum
20.07.2017
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 21/2017
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-017-7535-9

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