期刊
RSC ADVANCES
卷 5, 期 84, 页码 68953-68963出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra11801h
关键词
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资金
- National Science Foundation of China [51302325]
- Science Fund for Distinguished Young Scholars of Hunan Province [2015E1016]
- Program for New Century Excellent Talents in University [NECT-12-0553]
- State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals [SKL-SPM-201507]
- Scientific Research Foundation for the Returned Oversea China Scholars
- Hunan Youth Innovation Platform and Program for Shenghua Overseas Talent from Central South University (CSU) [90600-903030005, 90600-996010162]
Herein, a strong heterojunction, consisting of SnO2 nanoparticles grown on layered g-C3N4 nanosheets, was rationally designed and successfully synthesized via a facile hydrothermal method. The morphology, chemical structure, optical and electronic properties of the obtained SnO2/g-C3N4 hybrid nanocomposites were characterized. Furthermore, the photocatalytic activity of the novel photocatalysts was assessed. The results clearly indicate that the SnO2/g-CN-72.12% nanocomposite photocatalysts shows a stable cycle performance and exhibits significantly enhanced photocatalytic activity, which is 89 and 17 times higher than those of pure SnO2 and g-C3N4, respectively. The synergistic effect of the SnO2/g-C3N4 heterojunction can effectively accelerate the separation of photo-generated carriers and enhance the efficiency of interfacial charge transfer, which are proposed to be responsible for the enhancement of the photocatalytic activities. This study provides a low-cost and large-scale synthesis route for the production of visible light responsive photocatalysts that have potential in environmental purification applications.
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