Article ID Journal Published Year Pages File Type
1333232 Journal of Solid State Chemistry 2010 8 Pages PDF
Abstract

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 full-size imageDownload as PowerPoint slide

Related Topics
Physical Sciences and Engineering Chemistry Inorganic Chemistry
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