研究目的
Investigating the synthesis of luminescent carbon dots from lemon juice for the detection of V5+ ions in water and serum.
研究成果
The synthesized C-dots from lemon juice exhibit strong, stable green luminescence and are effective for the selective detection of V5+ ions in water and serum, with potential applications in optoelectronics and bioimaging.
研究不足
The study focuses on the detection of V5+ ions, and the selectivity towards other metal ions is not extensively explored. The detection limit of 3.2 ppm may not be sufficient for applications requiring lower detection thresholds.
1：Experimental Design and Method Selection:
Hydrothermal treatment of lemon juice at 240 °C for 12 h to synthesize C-dots.
2：Sample Selection and Data Sources:
Lemon juice as carbon precursor; various metal ion solutions for sensing.
3：List of Experimental Equipment and Materials:
Teflon-lined autoclave, HRTEM (JEM 2100, JEOL Techniques), Cary 500 spectrophotometer, FT-IR spectrometer, XPS (Multilab 2000, Thermo Fisher Scientific), NANO LOG spectrofluorometer.
4：Experimental Procedures and Operational Workflow:
Synthesis of C-dots, characterization of microstructure and optical properties, sensing of metal ions.
5：Data Analysis Methods:
Use of Stern-Volmer quenching relationship for luminescence quenching analysis.
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