Preparation and characterization of tellurium nano-particles by long pulsed laser ablation
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Author list: Phae-Ngam W., Kosalathip V., Kumpeerapun T., Limsuwan P., Dauscher A.
Publisher: Trans Tech Publications
Publication year: 2011
Volume number: 214
Start page: 202
End page: 206
Number of pages: 5
ISBN: 9783037850633
ISSN: 1022-6680
eISSN: 1662-8985
Languages: English-Great Britain (EN-GB)
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Abstract
A long pulsed laser ablation with a moving target at high speed technique was applied to prepare tellurium nanoparticles from a tellurium target under argon gas at atmospheric pressure. The prepared nanoparticles were characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDX), and X-ray diffraction (XRD). The influence of the moving speed of the target on the size, morphology and crystallographic structure of the nanoparticles was investigeated. The results show that for the target moving at high speed without burning of the target the production of isolated nanoparticles is obtained. The diameter of the nanoparticles is ranging from 30 to 200 nm. ฉ (2011) Trans Tech Publications.
Keywords
Pulsed laser ablation, Tellurium
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