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ONE-STEP SYNTHESIS OF Zr/Cl-DOPED CARBON DOTS AS FLUORESCENT PROBES FOR THE DETERMINATION OF RUTIN
Abstract
Zr and Cl double-doped carbon dots (Zr/Cl-CDs) were prepared by a one-step hydrothermal method using citric acid, urea, and ZrCl4 as precursors. Zr/Cl-CDs were characterized by ultra-violet-visible spectroscopy (UV-Vis), transmission electron microscopy, Fourier transform infrared spectroscopy, X-ray diffraction, and X-ray photoelectron spectroscopy (XPS). Experimental analysis revealed that the average size of Zr/Cl-CDs was analyzed experimentally to be 2–3 nm, while XPS analysis revealed the presence of C-Cl and Zr-O bonds. The fluorescence quantum yield of the final CDs was 17.5% at the excitation of 360 nm. In addition, Zr/Cl-CDs exhibited excellent performance in the detection of rutin with a concentration of 30–110 and 100–160 μmol/L, respectively. Linear correlation coefficients (R2 ) were 0.9931 and 0.9962. The underlying mechanism was that rutin had an excellent quenching effect on the emission of the Zr/Cl-CDs as the fluorescence intensity exhibited a good linear relationship between rutin concentration and fluorescence intensity. These findings provide a new strategy for synthesizing double-doped CDs for rutin detection.
Supporting agencies: This study was supported by the Natural Science Foundation of Xinjiang Uygur Autonomous Region (Grant Nos. 2016D01A018 and 2022D01A18) and Kashi University Graduate Scientific Research and Innovation Program (Grant No. KD2023KY050).
About the Authors
Dan Han
College of Chemistry and Environmental Science, Laboratory of Xinjiang Native Medicinal and Edible Plant Resource Chemistry, Kashi University
China
China
Kashi
Xiaoxue Niu
College of Chemistry and Environmental Science, Laboratory of Xinjiang Native Medicinal and Edible Plant Resource Chemistry, Kashi University
China
China
Kashi
Jing Wang
College of Chemistry and Environmental Science, Laboratory of Xinjiang Native Medicinal and Edible Plant Resource Chemistry, Kashi University
China
China
Kashi
Zihong Yan
College of Chemistry and Environmental Science, Laboratory of Xinjiang Native Medicinal and Edible Plant Resource Chemistry, Kashi University
China
China
Kashi
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Review
For citations:
Han D., Niu X., Wang J., Yan Z. ONE-STEP SYNTHESIS OF Zr/Cl-DOPED CARBON DOTS AS FLUORESCENT PROBES FOR THE DETERMINATION OF RUTIN. Zhurnal Prikladnoii Spektroskopii. 2025;92(1):133.
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