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Phone: (843) 766-6635
Main Library
9 a.m. - 6 p.m.
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Folly Beach Library
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Phone: (843) 588-2001
John L. Dart Library
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Ag nanoparticle-decorated Bi2O3-TiO2 heterogeneous nanotubular photocatalysts for enhanced degradation of organic contaminants.
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- Author(s): Wang, Yan1 (AUTHOR); Zhao, Shengzhe1 (AUTHOR); Yang, Yi1 (AUTHOR); Rodriguez, Raul D.2 (AUTHOR); Lipovka, Anya2 (AUTHOR); Lu, Yun1,3 (AUTHOR) ; Huang, Honglan1,2,3 (AUTHOR); Chen, Jinju1 (AUTHOR)
- Source:
Colloids & Surfaces A: Physicochemical & Engineering Aspects. Sep2022, Vol. 648, pN.PAG-N.PAG. 1p.- Subject Terms:
- Source:
- Additional Information
- Abstract: Ag nanoparticle-decorated Bi 2 O 3 -TiO 2 heterogeneous photocatalysts were successfully obtained by combining facile sacrificial templates and photoreduction. The as-synthesized Ag@Bi 2 O 3 -TiO 2 photocatalysts with a narrow band gap of 2.40 eV exhibited considerable photocatalytic activity to degrade rhodamine B (RhB) and tetracycline hydrochloride (TCH), and the removal efficiency reached 100% and 92%, respectively. Ag@Bi 2 O 3 -TiO 2 photocatalysts also exhibited stable recyclability for the degradation of RhB and TCH. Trapping experiments helped determine the major reactive oxidative species for TCH photodegradation. The desirable photodegradation performance is mainly attributed to improved light absorption, enhanced charge separation, and strong redox capacity of Ag@Bi 2 O 3 -TiO 2 nanostructures with S-scheme heterojunction. This work provides a facile avenue to construct heterogeneous tubular nanostructures with intensive photoabsorbance and effective photocatalysis to degrade organic contaminants. [Display omitted] ● Ag@Bi 2 O 3 -TiO 2 nanostructures were obtained by combining sacrificial templates and photoreduction. ● The photocatalysts exhibited enhanced photodegradation for RhB and TCH. ● The LSPR excitation of Ag on Bi 2 O 3 -TiO 2 promoted visible light absorption. ● The photocatalysts has stable recyclability for actual application. [ABSTRACT FROM AUTHOR]
- Abstract: Copyright of Colloids & Surfaces A: Physicochemical & Engineering Aspects is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Abstract:
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