Abstract
Carbon nanodots (CNTs) were synthesized by the microplasma method using a glucose solution as a precursor. The photoluminescence of CNTs before and after UV irradiation was studied. The spectral and kinetic properties of the synthesized CNTs were studied using a MicroTime 200 confocal scanning luminescence microscope. It was experimentally demonstrated that the short component (τ1) of luminescence refers to C=O bonds on the CNT surface. A significant decrease in the luminescence intensity of CNT’s after UV irradiation due to a decrease in oxygen-containing groups on the surface of carbon dots was found.
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