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Article

Photocatalytic Degradation of Tetracycline Hydrochloride via a CdS-TiO2 Heterostructure Composite under Visible Light Irradiation

1
Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), 100083 Beijing, China
2
State Key Laboratory of Solid Waste Reuse for Building Materials, Beijing Building Materials Academy of Sciences Research, 100041 Beijing, China
3
Suez Water Treatment Company Limited, 100026 Beijing, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2018, 8(6), 415; https://doi.org/10.3390/nano8060415
Received: 9 May 2018 / Revised: 29 May 2018 / Accepted: 4 June 2018 / Published: 8 June 2018
A photocatalytic active CdS-TiO2 heterostructure composite was prepared by hydrothermal method and its morphology and properties were characterized. Results indicate that the CdS nanoparticles deposited on the surface of a TiO2 nanoparticles, which was in anatase phase. The particle scale of both of the components reached approximately 15 nm. In comparison to pure TiO2 (410 nm), the light absorption edge of the heterostructure composite was 550 nm, which could extend the light response from UV to the visible region. Under visible light irradiation, the degradation efficiency of tetracycline hydrochloride by the CdS-TiO2 composite achieved 87.06%, significantly enhancing photocatalytic activity than the as-prepared pure TiO2 and commercial TiO2 (Degussa P25). This character is attributed to the synergetic effect of these two components in the absorption of visible light. View Full-Text
Keywords: CdS-TiO2 heterostructure composite; photocatalyst; tetracycline hydrochloride CdS-TiO2 heterostructure composite; photocatalyst; tetracycline hydrochloride
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MDPI and ACS Style

Li, W.; Ding, H.; Ji, H.; Dai, W.; Guo, J.; Du, G. Photocatalytic Degradation of Tetracycline Hydrochloride via a CdS-TiO2 Heterostructure Composite under Visible Light Irradiation. Nanomaterials 2018, 8, 415. https://doi.org/10.3390/nano8060415

AMA Style

Li W, Ding H, Ji H, Dai W, Guo J, Du G. Photocatalytic Degradation of Tetracycline Hydrochloride via a CdS-TiO2 Heterostructure Composite under Visible Light Irradiation. Nanomaterials. 2018; 8(6):415. https://doi.org/10.3390/nano8060415

Chicago/Turabian Style

Li, Wei, Hao Ding, Hua Ji, Wenbin Dai, Jianping Guo, and Gaoxiang Du. 2018. "Photocatalytic Degradation of Tetracycline Hydrochloride via a CdS-TiO2 Heterostructure Composite under Visible Light Irradiation" Nanomaterials 8, no. 6: 415. https://doi.org/10.3390/nano8060415

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