Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 17, Issue 1, Pages 59-64Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.200600431
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ZnO-SnO2 hollow spheres and hierarchical nanosheets are successfully synthesized using an aqueous solution containing ZnO rods, SnCl4, and NaOH by using a simple hydrothermal method. The effects of hydrothermal temperature and time on the morphology of ZnO-SnO2 are investigated. The formation process of ZnO-SnO2 hollow spheres and nanosheets is discussed. The samples are characterized using X-ray powder diffraction, transmission electron microscopy, scanning electron microscopy, and UV-vis absorption spectroscopy. Both hollow spheres and hierarchical nanosheets show higher photocatalytic activities in the degradation of methyl orange than that of ZnO rods or SnO2.
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