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Carbon Nanoparticles Prepared By Laser Ablation In Liquid Environment

Author

Listed:
  • KHAWLA S. KHASHAN

    (Division of Laser Physics, Department of Applied Science, University of Technology, Baghdad, Iraq)

  • MAJID S. JABIR

    (#x2020;Division of Biotechnology, Department of Applied Science, University of Technology, Baghdad, Iraq)

  • FARAH A. ABDULAMEER

    (Division of Laser Physics, Department of Applied Science, University of Technology, Baghdad, Iraq)

Abstract

In the present study, carbon nanostructures were synthesized by laser ablation of graphite in de-ionized water. Q-switched Nd:YAG laser of 1064nm wavelength, 9ns pulse width, and different laser fluences (3.6, 5.4, 10.6, and 14.6J/cm2) were utilized to irradiate the target. XRD measurements demonstrated the presence of the two carbon phases (002, 111) except for the sample prepared at 3.6J/cm2 laser fluence; it showed disappearance of (002) phase. This result can be an indication of changing the phase of carbon nanomaterials when prepared at this fluence. TEM revealed that carbon nanoparticles had a spherical shape and were 10–90nm in size, while nanostructure carbon prepared at 3.6J/cm2 has nanosheets 45mm in width and 275mm in length. The absorption of CNPs indicated the appearance of the absorption peak at about 305nm, which is attributed to the π–π* transition of the C = O band. PL emission was decreased at the higher laser fluence (14.6J/cm2) due to the quenching of the carbon nanoparticles luminescence.

Suggested Citation

  • Khawla S. Khashan & Majid S. Jabir & Farah A. Abdulameer, 2019. "Carbon Nanoparticles Prepared By Laser Ablation In Liquid Environment," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 26(10), pages 1-8, December.
    • Handle: RePEc:wsi:srlxxx:v:26:y:2019:i:10:n:s0218625x19500781
    DOI: 10.1142/S0218625X19500781
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