Abstract
Nanoparticles generation by laser ablation of a solid target in a liquid environment is an easy method. Cadmium Telluride (CdTe) colloidal nanoparticles have been synthesized by laser ablation Nd:YAG with wavelengths of 1064nm and double frequency at 532 nm, number of pulses 50 pulses, with pulse energy= 620mJ, 700mJ of a solid target CdTe is immersed in double distilled deionized water (DDIW) and in methanol liquid. Influences of the laser energy and different solutions on the formation and optical characterization of the CdTe nanoparticles have been studied using atomic force microscope (AFM) and the UV-Vis absorption. As a results, it leads to the absorbance in UV-Vis spectra of samples prepared in water at laser wavelength of 532nm is lower than the absorbance of 1064nm at same laser energy. AFM images show that CdTe NPs have spherical shape in nanometer size.
Highlights
Particles with dimensions in the dot distributions is based on chemical nanometer range made out of II-VI approaches
The aim of the work are to prepare of Cadmium Telluride (CdTe) NPs in different solutions by using laser ablation of a solid target through a liquid environment and shown the effect of the different laser wavelength and different solution on the morphology, particles size, absorption spectroscopy of obtained colloids and nanoparticles have been analyzed by UV-VIS spectrophotometer and atomic force microscope AFM
Laser ablation in distilled deionized water (DDIW) During the laser ablation of CdTe target it was observed that the color of solution changed to grey
Summary
Particles with dimensions in the dot distributions is based on chemical nanometer range made out of II-VI approaches. The. CdTe nanostructures use aqueous vast majority of established high –yield solutions facing various functional method to synthesize nearly mono groups (e.g polar and unpolar thiols, disperse II-VI semiconductors quantum amines and others) are employed to stabilize the particles[2]. The aim of the work are to prepare of CdTe NPs in different solutions by using laser ablation of a solid target through a liquid environment and shown the effect of the different laser wavelength and different solution on the morphology, particles size, absorption spectroscopy of obtained colloids and nanoparticles have been analyzed by UV-VIS spectrophotometer and atomic force microscope AFM
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