Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 13, Issue 12, Pages 1469-1472Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2011.09.023
Keywords
Z-scheme; Three-component nanojunction; TiO2 nanotube arrays; Electrodeposition; Photocatalysis
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Funding
- National Natural Science Foundation of China [21021002, 51072170]
- Natural Science Foundation of Fujian Province of China [2011J01057]
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The 2-scheme type CdS-Ag-TiO2 nanotube arrays were constructed by electrochemical methods. The self-organized highly oriented TiO2 nanotube arrays (TiO2NTs) were first prepared by anodizing Ti sheet. Subsequently, the Ag-CdS nanoparticles composed of Ag core and CdS shell were electrodeposited on the TiO2NTs. In the prepared three-component system, the Ag-CdS core-shell nanoparticles were well dispersed on the surface of anatase TiO2 nanotubes. This three-component system exhibited enhanced photoelectrochemical and photocatalytic activities, far exceeding those of the single- and two-component systems. (C) 2011 Elsevier B.V. All rights reserved.
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