Journal
CATALYSIS TODAY
Volume 153, Issue 3-4, Pages 193-199Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2010.02.069
Keywords
NaBiO3; BiOCl; Composite photocatalysts; Heterostructure
Funding
- National Science Fund for Distinguished Young Scholars of China [50625823]
- National Key Project of Scientific and Technical Supporting Programs [2007BAC03A09]
- Program of Research on Key Technology of Environmental Pollution Control and Quality Improvement [2007DFC90170]
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NaBiO3/BiOCl composite photocatalysts with heterostructure have been prepared by a novel in situ formation approach, by using NaBiO3 and hydrochloric acid aqueous solutions as the raw materials Under visible light (lambda > 400 nm) irradiation, the photocatalytic activity of Rhodamine B over NaBiO3/BiOCl photocatalysts has been evaluated The results demonstrate that the combination of NaBiO3 and BiOCl has a higher photocatalytic activity compared with single NaBiO3 or BiOCl photocatalyst, due to more effective photo-excited electron-hole separation by the heterojunction semiconductor structure and also higher absorption capacity of NaBiO3. (C) 2010 Elsevier B V. All rights reserved.
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