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Updated: Oct 3, 2025
Synthesis of Core-shell Lanthanide-doped Upconversion Nanocrystals for Cellular Applications
Published on: November 10, 2017
Controlling upconversion in emerging multilayer core-shell nanostructures: from fundamentals to frontier
Songbin Liu1, Long Yan1, Jinshu Huang1
1State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, and Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou, 510641, China. qyzhang@scut.edu.cn.
Multi-layer core-shell (MLCS) nanostructures enhance lanthanide-based upconversion nanomaterials. These advanced structures enable precise control over luminescence, enabling new applications in displays, bioimaging, and therapy.
Area of Science:
- Materials Science
- Nanotechnology
- Photonics
Background:
- Lanthanide-based upconversion nanomaterials offer excellent photon upconversion and favorable properties.
- Multi-layer core-shell (MLCS) nanostructures provide precise control over dopant distribution and matrix composition.
- Conventional nanomaterials and core-shell nanoparticles lack the design flexibility of MLCS structures.
Purpose of the Study:
- To review recent progress in lanthanide-based MLCS nanoparticles.
- To discuss manipulation of emission, lifetime, and multicolour output.
- To explore lanthanide ionic interactions and functional integration at the nanoscale.
Main Methods:
- Review of literature on MLCS nanostructures.
- Analysis of energy transfer mechanisms in MLCS systems.
- Discussion of synthesis and characterization techniques for MLCS nanoparticles.
Main Results:
- MLCS nanostructures allow fine-tuning of energy transfer and upconversion processes.
- Switchable multicolour output and manipulation of emission properties are achievable.
- Lanthanide ionic interactions at the nanoscale influence luminescence.
Conclusions:
- MLCS nanostructures offer unprecedented opportunities for controlling upconversion phenomena.
- These materials show great potential in diverse applications like 3D displays, bioimaging, and therapy.
- Further research in MLCS nanostructure design is crucial for expanding application boundaries.
