Laser fragmentation in liquid medium: A new way for the synthesis of PbTe nanoparticles
2011
Chubilleau, C. | Lenoir, B. | Migot, S. | Dauscher, A.
Synthesis of PbTe nanoparticles has been performed by pulsed laser fragmentation of PbTe micron-sized powders in distilled water with a Nd:YAG laser. The influence of various experimental parameters (wavelength, treatment duration, and output energy) on the yield of fragmentation, the size and the crystallographic structure of the nanoparticles produced has been investigated. Characterization of the nanopowders was performed by X-ray diffraction analyses and transmission electron microscopy observations. Thanks to a careful control of the synthesis parameters, PbTe nanoparticles with an average diameter close to 6nm and exhibiting a sharp distribution in size have been produced.
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