Journal
DALTON TRANSACTIONS
Volume 46, Issue 37, Pages 12675-12682Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7dt02151h
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Funding
- National Natural Science Foundation of China [21477050, 21522603]
- Excellent Youth Foundation of Jiangsu Scientific Committee [BK20140011]
- Program for New Century Excellent Talents in University [NCET-13-0835]
- Henry Fok Education Foundation [141068]
- Six Talents Peak Project in Jiangsu Province [XCL-025]
- Chinese-German Cooperation Research Project [GZ1091]
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The development of Z-scheme heterojunction photocatalytic systems is a promising strategy to produce hydrogen and for pollutant degradation. In this study, the direct Z-scheme CdS/ Bi4V2O11 photocatalysts were synthesized via a two-step solvothermal method. The photocatalytic properties of the samples were measured by ciprofloxacin (CIP), tetracycline (TC) and rhodamine B (RhB) degradation under visible light (lambda > 420 nm). In addition, a probable reaction mechanism for organic pollutants over CdS/ Bi4V2O11 photocatalysts was also proposed based on the analysis of electron spin resonance (ESR) and active species capture experiments. The enhanced photocatalytic activity of CdS/Bi4V2O11 photocatalysts was ascribed to the efficient electron transfer of direct Z-scheme CdS/Bi4V2O11 photocatalysts.
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