研究目的
Investigating the synthesis and application of double protected lanthanide fluorescence core@shell colloidal hybrid for the selective and sensitive detection of ClO-.
研究成果
The double protected lanthanide fluorescence colloidal hybrid particles with core@shell structure exhibit high selectivity and sensitivity for ClO- detection, with potential applications in environmental monitoring and biological systems.
研究不足
The study focuses on the detection of ClO- and may not be directly applicable to other anions or molecules without further modification.
1：Experimental Design and Method Selection:
A water-borne method incorporated a biphasic sol-gel process and a Pickering emulsion process was applied to encapsulate lanthanide complexes.
2：Sample Selection and Data Sources:
Eu(NTA)3 was used as the lanthanide complex, dispersed in γ-MPS droplets and stabilized by hydrophilic tiny silica particles.
3：List of Experimental Equipment and Materials:
Materials included L-arginine, TEOS, EuCl3·6H2O, NTA, γ-MPS, and THF. Equipment included TEM, SEM, DLS, UV-Vis spectrophotometer, FTIR spectrometer, and fluorescence spectrophotometer.
4：Experimental Procedures and Operational Workflow:
The synthesis involved forming a Pickering emulsion, followed by a sol-gel process to form core@shell nanoparticles.
5：Data Analysis Methods:
Fluorescence emission spectra were recorded to assess the detection of ClO-.
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Ultraviolet-visible adsorption spectra
Lambda 35
PerkinElmer
Recording at room temperature
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Steady-state fluorescence spectra
F-7000
Hitachi
Obtaining at room temperature with a 150W xenon light
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Dynamic light scattering
ZS-90
Malvern Instruments
Measuring particles sizes Zav and size distribution
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Transmission electron microscopy
Tecnai G2 20
FEI
Imaging the morphology of the particles
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Scanning electron microscope
ZEISS sigma 500
ZEISS
Imaging the morphology of the particles
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Infrared spectra
6700
Nicolet
Obtaining on KBr pellets
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TGA
EXSTAR 6000
Carrying out under air at a rate of 10 °C/min
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