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10.3390/catal11060709
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Article

Photocatalytic and Antibacterial Potency of Titanium Dioxide Nanoparticles: A Cost-Effective and Environmentally Friendly Media for Treatment of Air and Wastewater

by
Zohaib Razzaq
1,
Awais Khalid
1,
Pervaiz Ahmad
2,*,
Muhammad Farooq
1,
Mayeen Uddin Khandaker
3,
Abdelmoneim Sulieman
4,
Ibad Ur Rehman
1,
Sohail Shakeel
1 and
Ajmal Khan
5
1
Department of Physics, Hazara University Mansehra, Mansehra 21300, Khyber Pakhtunkhwa, Pakistan
2
Department of Physics, University of Azad Jammu and Kashmir, Muzaffarabad 13100, Azad Jammu and Kashmir, Pakistan
3
Center for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, Bandar Sunway 47500, Selangor, Malaysia
4
Department of Radiology and Medical Imaging, College of Applied Medical Sciences, Prince Sattam Bin Abdulaziz University, P.O. Box 173, Al-Kharj 11942, Saudi Arabia
5
Department of Botany, Hazara University Mansehra, Mansehra 21300, Khyber Pakhtunkhwa, Pakistan
*
Author to whom correspondence should be addressed.
Catalysts 2021, 11(6), 709; https://doi.org/10.3390/catal11060709
Submission received: 12 May 2021 / Revised: 4 June 2021 / Accepted: 4 June 2021 / Published: 6 June 2021
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Abstract

Titanium dioxide nanoparticles (TiO2-NPs) were synthesized via a facile hydrothermal method. X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared (FTIR), and Raman spectroscopy were used to study the structure, morphology, chemical composition, and functional group attached to the as-synthesized TiO2-NPs. These NPs were then used to test their efficacy against various microbes and their potency as effective catalysts. TiO2-NPs are found to have the maximum antibacterial activity against Gram-negative bacterial strains rather than Gram-positive bacteria. The photocatalytic activity of the TiO2-NPs was investigated for the photodegradation of 10 ppm bromophenol blue (BPB) dye by using 0.01 g–0.05 g of catalyst. TiO2-NPs exhibited the removal of 95% BPB, respectively, within 180 min. The TiO2-NPs’ antibacterial and catalytic properties suggest that these may be used in environmental remediation as a cost-effective and environmentally friendly wastewater and air treatment material.
Keywords: nanoparticles; titanium dioxide; photocatalyst; antibacterial; water treatment nanoparticles; titanium dioxide; photocatalyst; antibacterial; water treatment
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MDPI and ACS Style

Razzaq, Z.; Khalid, A.; Ahmad, P.; Farooq, M.; Khandaker, M.U.; Sulieman, A.; Rehman, I.U.; Shakeel, S.; Khan, A. Photocatalytic and Antibacterial Potency of Titanium Dioxide Nanoparticles: A Cost-Effective and Environmentally Friendly Media for Treatment of Air and Wastewater. Catalysts 2021, 11, 709. https://doi.org/10.3390/catal11060709

AMA Style

Razzaq Z, Khalid A, Ahmad P, Farooq M, Khandaker MU, Sulieman A, Rehman IU, Shakeel S, Khan A. Photocatalytic and Antibacterial Potency of Titanium Dioxide Nanoparticles: A Cost-Effective and Environmentally Friendly Media for Treatment of Air and Wastewater. Catalysts. 2021; 11(6):709. https://doi.org/10.3390/catal11060709

Chicago/Turabian Style

Razzaq, Zohaib, Awais Khalid, Pervaiz Ahmad, Muhammad Farooq, Mayeen Uddin Khandaker, Abdelmoneim Sulieman, Ibad Ur Rehman, Sohail Shakeel, and Ajmal Khan. 2021. "Photocatalytic and Antibacterial Potency of Titanium Dioxide Nanoparticles: A Cost-Effective and Environmentally Friendly Media for Treatment of Air and Wastewater" Catalysts 11, no. 6: 709. https://doi.org/10.3390/catal11060709

APA Style

Razzaq, Z., Khalid, A., Ahmad, P., Farooq, M., Khandaker, M. U., Sulieman, A., Rehman, I. U., Shakeel, S., & Khan, A. (2021). Photocatalytic and Antibacterial Potency of Titanium Dioxide Nanoparticles: A Cost-Effective and Environmentally Friendly Media for Treatment of Air and Wastewater. Catalysts, 11(6), 709. https://doi.org/10.3390/catal11060709

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