Citation: LI Ling-Yun, YU Yan, ZHOU Zhong-Hua, LI Qiang. PEG Assisted Hydrothermal Synthesis of β-NaYF₄: Yb³⁺,Er³⁺ Microrods for Upconversion Photoluminescence Display[J]. Chinese Journal of Structural Chemistry, ;2014, 33(12): 1865-1874. doi: 10.14102/j.cnki.0254-5861.2011-0549 shu

PEG Assisted Hydrothermal Synthesis of β-NaYF₄: Yb³⁺,Er³⁺ Microrods for Upconversion Photoluminescence Display

a.
a. College of Materials Science and Engineering, Fuzhou University, Fuzhou 350116, China;
b.
b. College of Materials, Xiamen University, Xiamen 361005, China

Received Date: 30 June 2014
Available Online: 2 December 2014
Fund Project: Supported by the National Natural Science Foundation of China (No. 61308085) (No. 61308085)

β-NaYF₄:Yb³⁺,Er³⁺ microrods with average length of 10 μm and diameter of 2.5 μm were synthesized through hydrothermal method. Based on the obtained microrods, transparent and flexible film with upconversion luminescence property was prepared through inorganic-organic composition method by using co-polymerization product of isobornylmethacrylate and urethane acrylate as the polymer substrate. The prepared film shows excellent optical transmission in the visible region with average transmission of 81.3% at high doping concentration (2 wt%) of β-NaYF₄:Yb³⁺,Er³⁺ microrods. By directing and moving NIR laser beam toward the prepared film with high scanning speed, visible light is effectively emitted and various images are able to display.
- hydrothermal synthesis,
- NaYF₄:Yb³⁺,
- Er³⁺,
- photoluminescence display,
- transparent and flexible film
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