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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 7/2016

11.03.2016

Excellent ethanol sensing properties of Pr-doped α-Fe2O3 nanotubes

verfasst von: Chang Su, Yu Li, Shouchun Li, Li Liu, Xuexin Guo, Hongwei Lian, Xiulong Guan

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 7/2016

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Abstract

Pure and Pr-doped α-Fe2O3 nanotubes are successfully synthesized via electrospinning and following calcined method. The crystal, morphologies structures and composed of the as-prepared samples are investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS), respectively. The researches of the gas sensing properties of the samples show that Pr-doped α-Fe2O3 nanotubes possess excellent sensitive to ethanol, and the response value of Pr-doped α-Fe2O3 nanotubes to 10 ppm ethanol is 21.3 at the operating temperature 240 °C, which is much higher than that of pure α-Fe2O3 nanotubes (1.5). That is to say that the ethanol sensitive of α-Fe2O3 nanotubes is improved remarkably by doping Pr. Moreover, Pr-doped α-Fe2O3 nanotubes show good selectivity and long-term stability.
Vorheriger Artikel Enhanced dielectric and piezoelectric properties of Mn modified 0.65(Bi0.95La0.05)FeO3-0.35Pb(Ti1-xMnx)O3 ceramics
Nächster Artikel Comparative study of the microstructure and mechanical strength of tin-copper (Sn0.7Cu) solder modified with silver (Ag) by both alloying and doping methods

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Metadaten
Titel
Excellent ethanol sensing properties of Pr-doped α-Fe2O3 nanotubes
verfasst von
Chang Su
Yu Li
Shouchun Li
Li Liu
Xuexin Guo
Hongwei Lian
Xiulong Guan
Publikationsdatum
11.03.2016
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 7/2016
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-016-4634-y

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