OBTAINING CARBON DOTS IN A POLYVINYL ALCOHOL MATRIX AND INVESTIGATION OF THEIR PROPERTIES
BNVSUS
DOI:
https://doi.org/10.25712/ASTU.2072-8921.2023.01.031Keywords:
carbon dots, citric acid, ethylenediamine, luminescence, hydrothermal synthesis, polyvinyl alcohol, LEDs, electroluminescenceAbstract
Fluorescent carbon dots were synthesizedvia a one-step hydrothermal approach using citric acid as the carbon source and ethylenediamine as a nitrogenous additive. The synthesized carbon dots exhibit excitation-dependent photoluminescence emission and have an average diameter of 80 nm, and thickness of 4 nm. The results of a study of the optical and electrical properties of polyvinyl alcohol films containing carbon dots are also presented. Films with a carbon dots fraction of 10% have the highest electrical conductivity and photoluminescence.
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Copyright (c) 2023 Marfa N. Egorova, Irina I. Kurkina, Afanasii A. Dyakonov
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