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Versatile synthesis of dendritic mesoporous rare earth-based nanoparticles
Hongyue Yu1, Wenxing Wang1, Minchao Liu1
1Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, iChem, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China.
Science Advances
|July 29, 2022
Summary
Researchers developed a new method to create unique dendritic mesoporous rare earth-based (DM-REX) nanoparticles. This breakthrough enhances rare earth nanomaterial properties for diverse applications by introducing controllable mesopores.
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Rare earth-based nanomaterials possess valuable optical, magnetic, and catalytic properties.
- Enhancing these nanomaterials via mesoporous channels is challenging but offers improved performance.
Purpose of the Study:
- To develop a universal strategy for creating rare earth-based nanoparticles with central divergent dendritic mesopores.
- To enable the synthesis of a wide range of dendritic mesoporous rare earth-based (DM-REX) nanoparticles with tunable properties.
Main Methods:
- A viscosity-mediated assembly strategy was employed.
- Controlled synthesis parameters allowed for customization of particle size, pore size, composition, and phase.
Main Results:
- Successfully synthesized over 40 types of DM-REX nanoparticles.
- Demonstrated control over composition (single/multiple rare earths, high-entropy compounds), particle diameter (80-500 nm), pore size (3-20 nm), and phase (hydroxides, oxides, fluorides).
- Theoretically, a library of 393,213 DM-REX nanoparticle combinations is possible.
Conclusions:
- The developed viscosity-mediated assembly is a versatile method for creating functional DM-REX nanoparticles.
- This approach provides a broad platform for designing rare earth-based nanomaterials with tailored properties for advanced applications.
