Up-conversion NaYF4-PMMA Nanocomposites Prepared by Copolymerization

ZHANG Pei-pei; LANG Yan-bo; GUO Jun-jie; CHEN Huan; QIN Wei-ping; ZHAO Dan

doi:10.3788/fgxb20163708.0919

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Up-conversion NaYF₄-PMMA Nanocomposites Prepared by Copolymerization

更新时间：2020-08-12

- Up-conversion NaYF₄-PMMA Nanocomposites Prepared by Copolymerization
- Chinese Journal of Luminescence Vol. 37, Issue 8, Pages: 919-926(2016)
- 作者机构：
  
  吉林大学电子科学与工程学院集成光电子国家重点实验室, 吉林长春 130012
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163708.0919
  CLC： O482.31
- Received：16 March 2016，
  
  Revised：18 April 2016，
  
  Published：05 August 2016
- 稿件说明：
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张培培, 郎言波, 郭俊杰等. 利用共价键镶嵌上转换纳米晶制备发光NaYF4-PMMA纳米复合聚合物[J]. 发光学报, 2016,37(8): 919-926

ZHANG Pei-pei, LANG Yan-bo, GUO Jun-jie etc. Up-conversion NaYF4-PMMA Nanocomposites Prepared by Copolymerization[J]. Chinese Journal of Luminescence, 2016,37(8): 919-926
张培培, 郎言波, 郭俊杰等. 利用共价键镶嵌上转换纳米晶制备发光NaYF4-PMMA纳米复合聚合物[J]. 发光学报, 2016,37(8): 919-926 DOI： 10.3788/fgxb20163708.0919.

ZHANG Pei-pei, LANG Yan-bo, GUO Jun-jie etc. Up-conversion NaYF4-PMMA Nanocomposites Prepared by Copolymerization[J]. Chinese Journal of Luminescence, 2016,37(8): 919-926 DOI： 10.3788/fgxb20163708.0919.

摘要

在NaYF

纳米晶表面修饰不饱和基团，与甲基丙烯酸甲酯单体共聚，制备了NaYF

-PMMA发光纳米复合聚合物。采用共价键将纳米晶镶嵌在聚合物基质中，可实现纳米粒子均匀、稳定、高浓度的掺杂。所使用的纳米发光材料为NaYF

：20%Yb，2%Er和NaYF

：20%Yb，1.5%Tm。NaYF

：20%Yb，2%Er纳米晶的尺寸为9~14 nm，NaYF

：20%Yb，1.5%Tm纳米晶的尺寸为11~15 nm。在980 nm红外光的激发下，NaYF

：20%Yb，2%Er-PMMA发出明亮的黄光，NaYF

：20%Yb，1.5%Tm-PMMA发出明亮的蓝光，分别与其对应的发光纳米晶的发射光谱完全一致。实验结果表明：NaYF

-PMMA材料透明性良好，稳定性高，上转换发光强度大。这种上转换发光纳米复合聚合物在显示领域，特别是在真三维显示方面具有潜在的应用前景。

Abstract

NaYF

nanoparticles coated with unsaturated functional groups were co-polymerized with methyl methacrylate (MMA) monomers through covalent bands to synthesize the NaYF

-PMMA luminescent polymer based nanocomposites. The covalent bands between the nanoparticles and the polymer made the upconversion nanoparticles stably embedded in the polymer matrix with high doping concentrations. No obvious aggregations of nanoparticles were observed. The size of NaYF

:20%Yb

2%Er nanoparticls used in the experiment was 9-14 nm

and the size of NaYF

:20%Yb

1.5%Tm nanoparticls was 11-15 nm. Under the excitation of 980 nm laser

NaYF

:20%Yb

2%Er-PMMA emitted bright yellow light and NaYF

:20%Yb

1.5%Tm-PMMA emitted bright blue light. The emission spectra of the nanocomposites were same with the corresponding nanoparticles. The experiment results showed that these nanocomposites possessed very good transparency in visible region. This kind of upconversion luminescent polymer based nanocomposites had potential applications in the field of display

especially the true three-dimensional (3D) volumetric display technique.

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references

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