Related Experiment Video
Updated: Mar 31, 2026
09:38
Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies
Published on: January 3, 2018
7.6K
Nanometrization of Lanthanide-Based Coordination Polymers
Chrystelle Neaime1,2, Carole Daiguebonne3, Guillaume Calvez1
1UMR 6226 Institut des Sciences Chimiques de Rennes, INSA Rennes, 35708 Rennes (France).
Chemistry (Weinheim an Der Bergstrasse, Germany)
|October 17, 2015
Summary
Researchers have developed a method to create stable nanoparticle solutions from lanthanide-based coordination polymers. This process allows for tunable luminescence and particle size in eco-friendly solvents like glycerol.
Area of Science:
- Materials Science
- Inorganic Chemistry
- Nanotechnology
Background:
- Lanthanide-based coordination polymers (Ln-CPs) are microcrystalline powders with tunable luminescence.
- Current methods yield powders, limiting applications requiring solution-based processing.
Purpose of the Study:
- To develop a method for producing stable nanoparticle solutions of Ln-CPs.
- To characterize the nanoparticles and their luminescence properties.
- To investigate the tunability of nanoparticle size and luminescence.
Main Methods:
- Synthesis of bulk Ln-CPs with the formula [Ln2-2x Ln'2x (bdc)3 ⋅4H2O]∞.
- Characterization of nanoparticles using dynamic light-scattering (DLS) and transmission electron microscopy (TEM).
- Evaluation of solution stability over time and upon dilution.
Main Results:
- Stable nanoparticle solutions of Ln-CPs were successfully obtained in polyols (e.g., glycerol).
- Nanoparticle luminescence properties mirrored those of the bulk materials.
- Nanoparticle size and luminescence were found to be tunable.
Conclusions:
- A facile and reliable method for synthesizing nanoparticle suspensions of Ln-CPs in green solvents has been established.
- This approach offers tunable luminescence and size control, expanding potential applications.
- The method is extendable to other coordination polymers and solvents.
More Related Videos
Related Concept Videos
02:51Metal-Ligand Bonds
25.6K
The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
25.6K
02:57Coordination Number and Geometry
19.8K
For transition metal complexes, the coordination number determines the geometry around the central metal ion. Table 1 compares coordination numbers to molecular geometry. The most common structures of the complexes in coordination compounds are octahedral, tetrahedral, and square planar.
19.8K