Preparation of carbon nanoparticles by long pulsed laser ablation in water with different laser energies
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Publication Details
Author list: Thongpool V., Denchitcharoen S., Asanithi P., Limsuwan P.
Publisher: Trans Tech Publications
Publication year: 2011
Volume number: 214
Start page: 402
End page: 405
Number of pages: 4
ISBN: 9783037850633
ISSN: 1022-6680
eISSN: 1662-8985
Languages: English-Great Britain (EN-GB)
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Abstract
Carbon nanoparticles were synthesized via laser ablation of graphite target in distilled water. The particle sizes of carbon nanoparticles were investigated as a function of laser energy: 1, 1.5, and 2 J/pulse. Using water as a matrix during synthesis is another potential way to control the particle size. The mean size increases when increasing the laser energy. The particle morphology is a globular shape. The sizes of the nanoparticle were evaluated from both SEM image analysis and Scherrer's equation. The sizes from the equation are smaller than those obtained from SEM, which indicates that the particles are polycrystallines. ฉ (2011) Trans Tech Publications.
Keywords
Carbon nanoparticles, Nd:YAG laser