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Abstract：
Bi2WO6 hollow microspheres with dimension of ca. 1.5 mu m were synthesized via a hydrothermal method using polystyrene particles as the template. The as-prepared Bi2WO6 hollow microspheres can be further transformed to double-shell Bi2O3/Bi2WO6 hollow microspheres. The samples were fully characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy (TEM), high-resolution TEM, N-2-sorption Brunauer-Emmett-Teller surface area, UV-vis diffuse-reflectance spectroscopy, and X-ray photoelectron spectroscopy. The as-formed double-shell Bi2O3/Bi2WO6 hollow microspheres exhibit enhanced photocatalytic activity due to the hollow nature and formation of the p-n junction between p-type Bi2O3 and n-type Bi2WO6. The study provides a general and effective method in the fabrication of composition and dimension-tunable composite hollow microspheres with sound heterojunctions that may show a variety of applications.
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INORGANIC CHEMISTRY
ISSN： 0020-1669
Year： 2012
Issue： 11
Volume： 51
Page： 6245-6250
4 . 5 9 3
JCR@2012
4 . 3 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：1
CAS Journal Grade：2
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SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 3
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