Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 563, Issue -, Pages 269-273Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2013.02.036
Keywords
Sunlight photocatalysis; Ag-AgBr-ZnO composites; Dye degradation
Categories
Funding
- Key Program Projects of the National Natural Science Foundation of China [21031001]
- National Natural Science Foundation of China [20971040, 91122018, 21101061, 21201059]
- Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of China [708029]
- Youth Foundation of Heilongjiang Province of China [QC2010021]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20112301110002]
- Scientific Innovation Project for Graduate of Heilongjiang Province [YJSCX2012-316HLJ]
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Ag-AgBr-ZnO ternary sunlight-derived catalyst was synthesized by using bromine water as both oxidant of Ag in Ag-ZnO to Ag+ and as Br- source of AgBr component. Serial of tests including XRD, SEM and EDX analysis indicated the successful fabrication of Ag-AgBr-ZnO composite by in situ oxidation route. DRS spectra showed the absorption both in UV and visible range, implying the potential of ternary composite as sunlight-derived photocatalyst. For the photodegradation of RhB dye, the ternary composite showed much higher performance than corresponding ZnO and binary Ag/ZnO composite under simulated sunlight irradiation. Our work provides a feasible route of constructing the ternary sunlight-derived photocatalyst, make it promising in the further practical application of ZnO-based photocatalytic materials. (c) 2013 Elsevier B.V. All rights reserved.
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