Synthesis of CdSTe nanoparticles by laser ablation
https://doi.org/10.17586/2220-8054-2024-15-5-710-715
Abstract
Synthesis of CdSTe nanoparticles using CdCl2, Na2S2O3 and TeO2 solutions under the action of laser radiation was experimentally studied. The radiation source was a pulsed Nd:YAG laser with built-in generators of the 2nd and 3rd harmonics, designed to generate radiation with a wavelength of 1064, 532, and 335 nm. The laser pulse duration was 10 ns with an energy of 135 mJ per pulse. In a colloidal solution, the formation of nanoparticles with a diameter of 10 to 50 nm was observed. X-ray diffraction analysis established that the crystal structure of the nanoparticles is the same as that of the bulk material (hexagonal). It is shown that the photoluminescence emission of the obtained nanoparticles has a green color (∼560 nm) and is associated with the radiative recombination of free excitons.
About the Authors
Maarif A. Jafarov
Baku State University
Azerbaijan
Azerbaijan
Maarif A. Jafarov
AZ1148 Baku
Vagif M. Salmanov
Baku State University
Azerbaijan
Azerbaijan
Vagif M. Salmanov
AZ1148 Baku
Rovshan М. Mamedov
Baku State University
Azerbaijan
Azerbaijan
Rovshan M. Mamedov
AZ1148 Baku
Elshan F. Nasirov
Baku State University
Azerbaijan
Azerbaijan
Elshan F. Nasirov
AZ1148 Baku
Turana A. Mammadova
Baku State University
Azerbaijan
Azerbaijan
Turana A. Mammadova
AZ1148 Baku
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Review
For citations:
Jafarov M.A., Salmanov V.M., Mamedov R.М., Nasirov E.F., Mammadova T.A. Synthesis of CdSTe nanoparticles by laser ablation. Nanosystems: Physics, Chemistry, Mathematics. 2024;15(5):710-715. https://doi.org/10.17586/2220-8054-2024-15-5-710-715
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