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    STUDIA CHEMIA - Issue no. 1 / 2019  
         
  Article:   PREPARATION OF Mg-DOPED TiO2 NANOPARTICLES FOR PHOTOCATALYTIC DEGRADATION OF SOME ORGANIC POLLUTANTS.

Authors:  MASOUD GIAHI, DEEPAK PATHANIA, SHILPI AGARWAL, GOMAA A. M. ALI, KWOK FENG CHONG, VINOD KUMAR GUPTA.
 
       
         
  Abstract:  
DOI: 10.24193/subbchem.2019.1.01
pp. 7-18
Published Online: 2019-03-30
Published Print: 2019-03-30
VIEW PDF: chem.ubbcluj.ro/~studiachemia/chemia2019_1.html

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.

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