Enhanced photocatalytic performance of mesoporous TiO2 by incorporating Ag3VO4 nanoparticles for degradation of tetracycline under visible light

A novel mesoporous Ag 3 VO 4 /TiO 2 nanocomposites were constructed by a low-cost sol–gel approach using Pluronic P-65. The photocatalytic abilities of obtained Ag 3 VO 4 /TiO 2 nanocomposites were performed by the tetracycline degradation under visible illumination compared with pure TiO 2 and P-25...

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Veröffentlicht in:Journal of materials science. Materials in electronics 2023-03, Vol.34 (9), p.784, Article 784
Hauptverfasser: Mkhalid, Ibraheem A., Ismail, Adel. A., Hussein, Mahmoud A., Al thomali, Raed H. M.
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container_title Journal of materials science. Materials in electronics
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Ismail, Adel. A.
Hussein, Mahmoud A.
Al thomali, Raed H. M.
description A novel mesoporous Ag 3 VO 4 /TiO 2 nanocomposites were constructed by a low-cost sol–gel approach using Pluronic P-65. The photocatalytic abilities of obtained Ag 3 VO 4 /TiO 2 nanocomposites were performed by the tetracycline degradation under visible illumination compared with pure TiO 2 and P-25 photocatalysts. The Ag 3 VO 4 /TiO 2 photocatalyst demonstrated superior visible light-induced photocatalytic abilities in tetracycline degradation compared with P-25 and pure TiO 2 . When the Ag 3 VO 4 content in nanocomposites was 3%, it exhibited the maximum photocatalytic abilities among all synthesized nanocomposites. The tetracycline could be entirely degraded (100%) over Ag 3 VO 4 /TiO 2 photocatalyst under visible illumination within 90 min. The rate constant of 3% Ag 3 VO 4 /TiO 2 nanocomposite for the degradation of tetracycline was 10.99 and 31 times that of pure TiO 2 and P-25. The increment photocatalytic ability was referred to as the separation efficiency of interface charge and the synergistic effects between Ag 3 VO 4 and TiO 2 . The construction of Ag 3 VO 4 /TiO 2 nanocomposite enlarged the absorption of visible light with red-shift to a longer wavelength in the visible region. The surface area of Ag 3 VO 4 /TiO 2 nanocomposites (188 m 2 g −1 ) was beneficial for photodegradation efficiency. The present work highlights advantageous insight into fabricating highly effective visible light photocatalysts in practical applications.
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subjects Characterization and Evaluation of Materials
Charge efficiency
Chemistry and Materials Science
Doppler effect
Illumination
Materials Science
Nanocomposites
Nanoparticles
Optical and Electronic Materials
Photocatalysis
Photocatalysts
Photodegradation
Red shift
Sol-gel processes
Synergistic effect
Titanium dioxide
title Enhanced photocatalytic performance of mesoporous TiO2 by incorporating Ag3VO4 nanoparticles for degradation of tetracycline under visible light
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