期刊
ADVANCED POWDER TECHNOLOGY
卷 32, 期 7, 页码 2311-2321出版社
ELSEVIER
DOI: 10.1016/j.apt.2021.05.008
关键词
Visible light; Composite; Cu-Fe/LDH@BiOI1.5; Photocatalytic activity
资金
- Fundamental Research Funds for the Central Universities [2232021G-04]
- Guangxi Innovation Drive Development Fund [AA17204076]
- Zhejiang Province Public Welfare Technology Application Research Project (CN) [LGG18E030002]
The novel Cu-Fe/LDH@BiOI1.5 composite photocatalyst with a flower-like structure was successfully synthesized and showed enhanced photocatalytic degradation of tetracycline. The composite material exhibited better performance compared to Cu-Fe/LDH and pure BiOI1.5, indicating its potential application in water pollution control.
Novel Cu-Fe/LDH@BiOI1.5 composite photocatalyst with a flower-like structure was successfully designed and prepared by a simple hydrothermal synthesis method. A series of characterization such as XRD, XPS, SEM, etc, have adopted to analyze the structural performance, visible light response and photoelectric properties of this composite photocatalyst. The test of photocatalytic degradation of tetracycline showed that the degradation rate of 1:10 Cu-Fe/LDH@BiOI1.5 composite with p-n heterojunction can reach 73% in 75 min, which indicates the better degradation performance than Cu-Fe/LDH and pure BiOI1.5. In addition, the key active substances, center dot O-2(-) and h(+), were obtained in the capture experiment. Finally, the possible mechanism of tetracycline degradation was deduced. The completion of this work can achieve the control of water pollution to further optimize the surrounding environment. (C) 2021 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
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