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  2. Volume 2, Issue 1
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Online ISSN: 2788-6867

Volume2, Issue1

Study of the Effect of Laser Energy on the Structural and Optical Properties of TiO2 NPs Prepared by PLAL Technique

    Israa F. Hasan Khawla S. Khashan Aseel A. Hadi

Journal of Applied Sciences and Nanotechnology, 2022, Volume 2, Issue 1, Pages 11-19
10.53293/jasn.2021.3600.1031

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Abstract

Titanium dioxide nanoparticles were produced in this work by laser ablation of a high purity titanium objective immersed in distilled water. Optical and structural properties of the obtained TiO2 NPs using a Q-switched Nd: YAG laser of 1064nm wavelength with different laser energy (80, 100, 120, 140, and 160) mJ at 100 pulses was studied. The produced TiO2 NPs were characterized employing UV-VIS Spectrophotometer, X-ray diffraction, and scanning electron microscopy (SEM). The obtained TiO2NPs showed a decrease in transmittance in the region of the UV spectrum and an increase in the visible spectrum region. The estimated optical band gap of the TiO2NPs was 3.89eV, 3.8eV, and 3.70eV at 80, 120 and 160mJ laser energy, respectively. The as-produced TiO2NPs appear to be a Brookite crystalline phase with the preferential orientation along (200) direction. The scanning electron microscopy assays showed that the TiO2 NPs have a cauliflower shape. Results show that with increasing the energy of laser pulse, the size of nanoparticles was increased noticeably. Where the particle size and its morphology are affected by laser energy.
Keywords:
    Laser ablation Physical properties Metal oxide nanoparticles TiO2 NPs
Main Subjects:
  • Nanotechnology
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(2022). Study of the Effect of Laser Energy on the Structural and Optical Properties of TiO2 NPs Prepared by PLAL Technique. Journal of Applied Sciences and Nanotechnology, 2(1), 11-19. doi: 10.53293/jasn.2021.3600.1031
Israa F. Hasan; Khawla S. Khashan; Aseel A. Hadi. "Study of the Effect of Laser Energy on the Structural and Optical Properties of TiO2 NPs Prepared by PLAL Technique". Journal of Applied Sciences and Nanotechnology, 2, 1, 2022, 11-19. doi: 10.53293/jasn.2021.3600.1031
(2022). 'Study of the Effect of Laser Energy on the Structural and Optical Properties of TiO2 NPs Prepared by PLAL Technique', Journal of Applied Sciences and Nanotechnology, 2(1), pp. 11-19. doi: 10.53293/jasn.2021.3600.1031
Study of the Effect of Laser Energy on the Structural and Optical Properties of TiO2 NPs Prepared by PLAL Technique. Journal of Applied Sciences and Nanotechnology, 2022; 2(1): 11-19. doi: 10.53293/jasn.2021.3600.1031
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Journal Information

Publisher: University of Technology - IRAQ

Email:  jasn@uotechnology.edu.iq

Editor-in-chief: Prof. Dr. Adawiya J. Haider

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Applied Sciences and Nanotechnology (JASN)

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University of Technology

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