Ultrafast Synthesis of Novel Hexagonal Phase NaBiF4 Upconversion Nanoparticles at Room Temperature

Pengpeng Lei; Ran An; Shuang Yao; Qishun Wang; Lile Dong; Xia Xu; Kaimin Du; Jing Feng; Hongjie Zhang

doi:10.1002/adma.201700505

Ultrafast Synthesis of Novel Hexagonal Phase NaBiF₄ Upconversion Nanoparticles at Room Temperature

Adv Mater. 2017 Jun;29(22). doi: 10.1002/adma.201700505. Epub 2017 Apr 3.

Authors

Pengpeng Lei^{1

2}, Ran An¹, Shuang Yao¹, Qishun Wang^{1

3}, Lile Dong^{1

3}, Xia Xu^{1

2}, Kaimin Du^{1

3}, Jing Feng¹, Hongjie Zhang¹

Affiliations

¹ State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun, 130022, China.
² University of Chinese Academy of Sciences, Beijing, 100049, China.
³ University of Science and Technology of China, Hefei, 230026, China.

PMID: 28370594
DOI: 10.1002/adma.201700505

Abstract

Upconversion (UC) nanoparticles (UCNPs) have evoked considerable attention in many fields owing to their fascinating features. However, rigorous synthesis conditions and expensive raw materials often limit their further applications. Here, a novel hexagonal phase NaBiF₄ UC matrix through a very facile method (one min only at room temperature) is synthesized. The nanoparticles show good monodispersity with uniform size. Under the 980 nm irradiation, Yb³⁺ /Ln³⁺ (Ln = Er, Ho, Tm) codoped NaBiF₄ nanoparticles show excellent UC luminescence (UCL). This super facile synthesis strategy and excellent matrix materials enable to achieve UCL in such low temperature, opening a new gateway for the UCNPs applied to a variety of areas in the future.

Keywords: NaBiF4; luminescence; room temperature; ultrafast synthesis; upconversion nanoparticles.