期刊
RESEARCH ON CHEMICAL INTERMEDIATES
卷 43, 期 4, 页码 2517-2528出版社
SPRINGER
DOI: 10.1007/s11164-016-2777-3
关键词
Electrodeposition method; Cu2O/ZnO composite film; Photocatalytic; Antibacterial property; Formaldehyde degradation
资金
- National Natural Science Foundation, China [21467002]
- Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University)
- Ministry of Education, China [ERESEP2015Z16]
- Innovation Project of Guangxi Graduate Education [YCSZ2016041]
- Innovation Project of Guangxi Undergraduate Education [201610602056]
- Fund of the Annual Major Scientific Projects of Guangxi Higher School [201201ZD006]
The high antibacterial and photocatalytic activities of Cu2O/ZnO composite films were synthesized through the electrodeposition method. The crystalline phase and microstructure of the film samples were analyzed based on X-ray diffraction and scanning electron microscopy. The Cu2O/ZnO composite film-50 min has uniform and compact film structure with a large surface area. Compared with neat Cu2O film, the spectral response range of Cu2O/ZnO composite film was clearly enlarged to 265-560 nm, indicating that it had stronger spectral response ability in both UV and visible light. Among all the photocatalytic film samples, the Cu2O/ZnO composite film-50 min showed a better antibacterial activity against Escherichia coli (90.23 %) and Staphylococcus aureus (88.78 %) under fluorescent light. In addition, the Cu2O/ZnO composite film-50 min also exhibited the optimal photocatalytic property for the degradation of formaldehyde (80.33 %) under LED light irradiation. Moreover, the high photocatalytic and antibacterial stability in the cycle experiment indicate that Cu2O/ZnO composite film-50 min could be an excellent semiconductor photocatalytic material with high usability in practical applications.
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