Abstract
In the present work, an attempt to obtain quantum dots with a high quantum luminescence yield has been made. For this purpose, the existing methods of synthesis have been studied; approbation of availability and reproducibility of the results and possibility of obtaining luminescent QD samples in the required spectral region has been made. The optical characteristics, the influence of the synthesis conditions, the possibility of using nanostructured materials for sensitization of solar cells have been studied.
Highlights
Interest to the synthesis and study of semiconductor nanoparticles, the so-called quantum dots (QDs) is caused by the study of their energy spectra and promisingEurasian Journal of Physics and Functional Materials, Vol.2(4)practical applications [1]
Studies of the luminescent properties of CdSe QDs have been carried out for a long time, and each research group has contributed to a better understanding of some physical quantities affecting the quantum yield (QY)of photoluminescence, many questions have not been answered yet
In order not to overload the graphs with details, the optical absorption spectra are given only for QD-samples of series No 1 obtained at 240 ◦ C and QD- samples of CdSe cubic structure, series No 3
Summary
Interest to the synthesis and study of semiconductor nanoparticles, the so-called quantum dots (QDs) is caused by the study of their energy spectra and promisingEurasian Journal of Physics and Functional Materials, Vol.2(4)practical applications [1].
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