Open Access

Investigation of BaZrO3 Nanoparticles for Photocatalytic Activity and the Effects of Y-doping

C. Chinnusamy , PG & Research Department of Physics, Chikkaiah Naicker College, Erode, TN, India R. Thiyagarajan thiyaguphyxics@gmail.com
PG & Research Department of Physics, Chikkaiah Naicker College, Erode, TN, India


J. Environ. Nanotechnol., Volume 13, No 3 (2024) pp. 456-466

https://doi.org/10.13074/jent.2024.09.243849

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Abstract

          A straightforward co-precipitation technique with yttrium doping (X = 0, 0.02, 0.04, 0.06) was used to fabricate perovskite Ba1−xYxZrO3 nanoparticles. Employing Powder X-ray diffraction (PXRD) technique, the compound was characterized and found to have a perovskite structure crystallized in a cubic lattice. Images from scanning electron microscopy (SEM) show plenty of pores between the grains and a structure resembling a rod. The purity and formation of B-site in the nanostructure was confirmed by a Fourier Transform Infrared (FT-IR) spectrophotometer. The UV-Vis profile and photoluminescence (PL) spectra of the powder were also ascertained. Using methylene blue as a model organic pollutant, the powder as a photocatalyst was tested for two hours under UV light irradiation. The Y-doped nanoparticles broke down the dye by ∼98.5% at pH = 8 when exposed to UV light. The enhanced photocatalytic performance exhibited by Y-doped BaZrO3 nanoparticles can be attributed to their efficient charge separation and increased adsorption capabilities by the presence of BaZrO3.

 

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