研究目的
The development of water-soluble, photostable, and improved selective and sensitivity Fe3+ sensors using simple, cost-effective, and environment-friendly preparation procedures remains highly desirable.
研究成果
The study successfully developed covalently bonded Tb-complex-containing copolymer microspheres with intense and stable green luminescence, capable of selectively detecting Fe3+ in aqueous environments with a wide detection range and low detection limit. The fluorescence quenching mechanism was attributed to the interaction between Fe3+ and the ligands, affecting the energy transfer to Tb ions.
研究不足
The study focuses on the selective detection of Fe3+ in aqueous environments, and the applicability to other metal ions or complex matrices was not extensively explored.
1：Experimental Design and Method Selection:
The study involved the preparation of covalently bonded Tb-complex-containing copolymer microspheres through one-step soap-free emulsion polymerization.
2：Sample Selection and Data Sources:
The materials used included styrene (St), methacrylic acid (MAA), divinylbenzene (DVB), and Tb-complex monomer (Tb(AA)3Phen).
3：List of Experimental Equipment and Materials:
Instruments such as SEM, TEM, FT-IR, XPS, and PL spectrophotometer were used.
4：Experimental Procedures and Operational Workflow:
The copolymer microspheres were prepared by soap-free emulsion polymerization, followed by characterization and fluorescence quenching experiments with Fe3+.
5：3+. Data Analysis Methods:
5. Data Analysis Methods: The fluorescence quenching efficiency was analyzed using the Stern–Volmer equation.
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