Ultrafast Synthesis of Novel Hexagonal Phase NaBiF4 Upconversion Nanoparticles at Room Temperature
Pengpeng Lei1,2, Ran An1, Shuang Yao1
1State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, China.
Advanced Materials (Deerfield Beach, Fla.)
|April 4, 2017
Summary
Researchers developed a novel, facile synthesis for hexagonal phase sodium bismuth fluoride (NaBiF4) upconversion nanoparticles (UCNPs). These UCNPs exhibit excellent upconversion luminescence (UCL) under 980 nm irradiation, enabling new applications.
Area of Science:
- Materials Science
- Nanotechnology
- Inorganic Chemistry
Background:
- Upconversion (UC) nanoparticles (UCNPs) possess unique optical properties but face limitations due to complex synthesis and high costs.
- Existing UCNPs often require stringent conditions and expensive precursors, hindering widespread application.
- Developing cost-effective and facile synthesis methods for high-performance UCNPs is crucial.
Purpose of the Study:
- To synthesize a novel hexagonal phase NaBiF4 upconversion nanoparticle matrix using a facile, room-temperature method.
- To investigate the upconversion luminescence (UCL) properties of Yb3+/Ln3+ (Ln = Er, Ho, Tm) codoped NaBiF4 nanoparticles.
- To establish a new pathway for UCNP applications by overcoming synthesis barriers.
Main Methods:
- A novel, rapid (one-minute) room-temperature synthesis method was employed for hexagonal phase NaBiF4 nanoparticles.
- The synthesized nanoparticles were characterized for their monodispersity and uniform size.
- Upconversion luminescence (UCL) was measured under 980 nm irradiation for Yb3+/Ln3+ codoped samples.
Main Results:
- Hexagonal phase NaBiF4 nanoparticles were successfully synthesized with a facile, one-minute room-temperature method.
- The nanoparticles exhibited good monodispersity and uniform size distribution.
- Yb3+/Ln3+ (Ln = Er, Ho, Tm) codoped NaBiF4 nanoparticles displayed excellent upconversion luminescence (UCL) under 980 nm excitation.
Conclusions:
- A super facile and rapid synthesis strategy for hexagonal phase NaBiF4 UCNPs at room temperature was established.
- The synthesized NaBiF4 matrix demonstrates excellent UCL properties when codoped with Yb3+/Ln3+ ions.
- This low-temperature synthesis approach opens new avenues for diverse applications of upconversion nanoparticles.
