10.57647/j.jtap.2024.si-AICIS23.02

Synthesis of two-phase TiO2 nanoparticles via in-situ one-step process for photocatalytic applications

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  • Rasha Jameel Neama*1,
  • Firas K. Mohamad Alosfur1,
  • Noor J. Ridha1,
  • Khawla J. Tahir1,
  • Rajaa A. Madlol1,
  1. Department of Physics, College of Science, University of Kerbala, Kerbala, Iraq
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Published in Issue 2024-06-15

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1.
Neama RJ, Alosfur FKM, Ridha NJ, Tahir KJ, Madlol RA. Synthesis of two-phase TiO2 nanoparticles via in-situ one-step process for photocatalytic applications. J Theor Appl phys. 2024 Jun. 15;18. Available from: https://oiccpress.com/jtap/article/view/8031
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Abstract

Titanium dioxide (TiO2) nanoparticles (NPs) were synthesized by a simple sol-gel technique. The prepared sample was characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), and BrunauerâEmmettâTeller (BET). The results showed that the prepared TiO2 NPs have agglomerated spherical shapes with anatase and rutile phases, TiO2 consists of Ti 2p and O 1s regions. The average anatase and rutile TiO2 crystallite size were estimated to be 32.38 nm and 37.37 nm, respectively. The BET result showed that TiO2 had a surface area of 33.36 m2 gâ1. Doses of different TiO2 nanoparticles (5, 10, 15, 20, and 25 mg) were used to study the photocatalyst degradation of methylene blue (MB) under UV light. The dose of 15 mg was the optimal dose to degrade 68.39% of the dye within two hours.

Keywords

  • Methylene blue,
  • Photocatalytic,
  • Sol–gel,
  • TiO2,
  • XPS
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