PREPARATION OF Mg-DOPED TiO₂ NANOPARTICLES FOR PHOTOCATALYTIC DEGRADATION OF SOME ORGANIC POLLUTANTS

Masoud  GIAHI; Deepak  PATHANIA; Shilpi  AGARWAL; M. A. Ali  GOMAA; Kwok Feng  CHONG; Vinod Kumar  GUPTA

doi:10.24193/subbchem.2019.1.01

Authors

Masoud GIAHI Department of Chemistry, Islamic Azad University, South Tehran Branch, Tehran, Iran. Email: m_giahi@azad.ac.ir. https://orcid.org/0000-0002-0720-0318
Deepak PATHANIA Department of Environmental Sciences, Central University of Jammu, Samba, India. Corresponding author: m_giahi@azad.ac.ir.
Shilpi AGARWAL Faculty of Science, Center of Excellence for Advanced Materials Research, King Abdulaziz University, Saudi Arabia. Corresponding author: vinodfcy@gmail.com.
M. A. Ali GOMAA Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut, Egypt; Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang, Malaysia. Corresponding author: vinodfcy@gmail.com. https://orcid.org/0000-0002-7152-531X
Kwok Feng CHONG Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang, Malaysia. Corresponding author: vinodfcy@gmail.com. https://orcid.org/0000-0003-0786-842X
Vinod Kumar GUPTA Faculty of Science, Center of Excellence for Advanced Materials Research, King Abdulaziz University, Saudi Arabia. Corresponding author: vinodfcy@gmail.com. https://orcid.org/0000-0003-2809-2966

DOI:

https://doi.org/10.24193/subbchem.2019.1.01

Keywords:

Mg-doped TiO₂; Organic pollutants; Photocatalytic degradation; Photoluminescence; Sol-gel

Abstract

In this study, the sol-gel method was used to prepare Mg-doped TiO₂ nanoparticles from titanium tetraisopropoxide and magnesium sulfate as the dopant precursors. Mg-doped TiO₂ shows the formation of anatase phase with polyhedral and spherical particles with an average size of 25-30 nm. X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and photoluminescence were used to characterize the prepared material. The photocatalytic degradation performance of rhodamine B, nonylphenol ethoxylates, pseudoephedrine hydrochloride, and nicotine on Mg-doped TiO₂ was studied under UV irradiation. The photocatalytic degradation shows that 98.92, 98.00, 98.00 and 97.95% of rhodamine B, nonylphenol ethoxylates, pseudoephedrine hydrochloride, and nicotine was decomposed by Mg-doped TiO₂, respectively.

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