Authors
Lu-Ping Zhu, Nai-Ci Bing, Dan-Dan Yang, Yang Yang, Gui-Hong Liao, Li-Jun Wang
Publication date
2011
Journal
CrystEngComm
Volume
13
Issue
14
Pages
4486-4490
Publisher
Royal Society of Chemistry
Description
The core–shell structured α-Fe2O3@SnO2 shuttle-like nanocomposites were synthesized successfully by a simple solvothermal method. The structure and morphology were investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive spectroscopy (EDS). The results reveal that the diameter in the middle part and the length of the heteronanostructures are respectively 110 and 450 nm, and the thickness of the shell composed of 5 nm SnO2 nanoparticles is about 15 nm. The photocatalytic activities of the as-prepared α-Fe2O3@SnO2 core–shell shuttle-like nanocomposites were evaluated by the photocatalytic decolorization of a model pollutant Rhodamine-B (RhB) under ultraviolet light. The as-prepared core–shell shuttle-like nanocomposites showed much higher photocatalytic activity than that of α-Fe2O3 shuttle-like …
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