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CdTe nanoparticles synthesized by laser ablation
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Nanoparticle generation by laser ablation of a solid target in a liquid environment is an easy, fast, and “green” method for a large scale production of nanomaterials with tailored properties. In this letter we report the synthesis of CdTenanoparticles by femtosecond laser [387 nm, 180 fs, 1 kHz, pulse ] ablation of the target material.Nanoparticles with diameters from up to were observed to be formed in the colloidal solution. Their size distribution follows the log-normal function with a statistical median diameter of ≈7.1 nm. Their crystal structure is the same as that of the bulk material (cubic zincblende) and they are slightly Cd-rich (Cd:Te percentage ratio ). Photoluminescence emission from the produced nanoparticles was detected in the deep red .
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