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Updated: Jun 22, 2026
13:51
Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications
Published on: November 10, 2017
Color-tunable fluorescent-magnetic core/shell multifunctional nanocrystals.
Zhi-Quan Tian1, Zhi-Ling Zhang, Jinhao Gao
1Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China.
Chemical Communications (Cambridge, England)
|July 2, 2009
Summary
Researchers created novel fluorescent-magnetic nanocrystals with tunable colors and strong magnetic properties. These multifunctional nanomaterials offer versatile applications in various scientific fields.
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Multifunctional nanomaterials offer unique properties for advanced applications.
- Developing integrated fluorescent and magnetic properties in a single nanostructure is challenging.
Purpose of the Study:
- To develop a facile synthesis strategy for color-tunable fluorescent-magnetic core/shell multifunctional nanocrystals.
- To characterize the photoluminescent and ferromagnetic properties of the synthesized nanocrystals.
Main Methods:
- Core/shell nanocrystal synthesis.
- Shell thickness modification to tune optical properties.
- Magnetic property characterization.
Main Results:
- Successfully synthesized core/shell nanocrystals with both fluorescence and ferromagnetism.
- Achieved color-tunable photoluminescence from 550 nm to 630 nm by controlling shell thickness.
- Exhibited significant ferromagnetic properties with a magnetization of 4.4 emu/g and coercivity of 95 Oe.
Conclusions:
- A convenient method for preparing multifunctional fluorescent-magnetic nanocrystals was established.
- The nanocrystals demonstrate tunable optical properties and robust magnetic behavior.
- These findings open avenues for applications requiring combined optical and magnetic functionalities.
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