CORE-SHELL Zn/ZnO STRUCTURES WITH IMPROVED PHOTOCATALYTIC PROPERTIES SYNTHESIZED BY AQUEOUS SOLUTION METHOD

被引：13
|
作者：
Huang, Yuan Ming [1 ]
Ma, Qing-Lan [1 ]
Zhai, Bao-Gai [1 ]
机构：
[1] Changzhou Univ, Sch Math & Phys, Changzhou 213164, Jiangsu, Peoples R China
来源：
FUNCTIONAL MATERIALS LETTERS | 2013年 / 6卷 / 06期
关键词：
Water boiling method; zinc oxide; core-shelled microsphere; photoluminescence; photocatalytic activity; TUNABLE PHOTOLUMINESCENCE; ZNO; FABRICATION; COMPOSITES; NANOCOMPOSITES; NANORODS; WATER;
D O I：
10.1142/S1793604713500586
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A facile and green method was utilized to synthesize core-shelled Zn/ZnO microspheres by boiling Zn microparticles in water for improving the photocatalytic activity of ZnO. The synthesized Zn/ZnO core-shells were investigated by means of scanning electron microscope, X-ray diffractometer and photoluminescence spectrometer, respectively. The morphology analysis showed that the metallic Zn core was about 6 mu m in diameter while the ZnO shell was about 600 nm in thickness. Compared to ZnO nanoparticles, the core-shelled Zn/ZnO microspheres exhibited improved photocatalytic activity in degrading methyl orange in water. Our results suggest that the metal-semiconductor junction formed at the Zn/ZnO interface is responsible for the enhanced photocatalytic activity of ZnO.
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页数：4
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