Abstract
Ethylenediaminetetraacetic acid carbon dots (EDTA-CDs) with a strong fluorescence, were synthesized via a hydrothermal treatment. The temperature and time of hydrothermal process were found to be the critical factors on the fluorescence properties of EDTA-CDs. The results demonstrated that concomitant with increasing heating temperature (from 25 to 230°C) and prolonging heating time (from 0 to 20 h), the fluorescence intensity of EDTA-CDs significantly enhanced and the maximum wavelength moved towards the long wavelength region (from 400 nm to 450 nm). Importantly, EDTA-CDs exhibited excellent specificity, selectivity and biocompatibility, which could be successfully applied in determination of iron ions and bioimaging fields.
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This work was financially supported by PhD research foundation (project no. 2019YB003) of Hebei Normal University of Science and Technology University.
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Lan, S., Yang, Z., Ren, J. et al. Fluorescence Properties of EDTA Carbon-Dots and Its Application in Iron Ions Detection. Russ J Gen Chem 93, 403–408 (2023). https://doi.org/10.1134/S1070363223020238
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DOI: https://doi.org/10.1134/S1070363223020238