کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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1333232 | 979070 | 2010 | 8 صفحه PDF | دانلود رایگان |
Porous α-Fe2O3 hollow microspheres were synthesized through a simple and efficient carbon sphere template method. The samples were characterized by X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, transmission electron microscopy and N2 adsorption–desorption. Structural characterization indicated that as-prepared α-Fe2O3 hollow microspheres had porous structure with around 200 nm in diameter and thin shell about 10 nm thick. The average pore size and Brunauer–Emmett–Teller specific surface area of α-Fe2O3 hollow microspheres were 6.5 nm and 111.6 m2/g, respectively. The gas sensing behavior investigation showed that as-synthesized α-Fe2O3 hollow microspheres exhibited very good gas sensing property to acetone vapor.
Graphical AbstractHRTEM images of the α-Fe2O3 hollow microspheres.Figure optionsDownload as PowerPoint slide
Journal: Journal of Solid State Chemistry - Volume 183, Issue 12, December 2010, Pages 2869–2876