Synthesis and Optical Properties of Water Soluble Upconversion NaYF4 ∶ Yb,Tm Nanoparticles

CHEN Huan; CHUAI Xiao-hong; WANG Li-li; ZHAI Xue-song; JIANG Tao; ZHAO Dan; QIN Wei-ping

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Synthesis and Optical Properties of Water Soluble Upconversion NaYF₄ ∶ Yb,Tm Nanoparticles

paper | 更新时间：2020-08-12

- Synthesis and Optical Properties of Water Soluble Upconversion NaYF₄ ∶ Yb,Tm Nanoparticles
- Chinese Journal of Luminescence Vol. 31, Issue 4, Pages: 538-542(2010)
- 作者机构：
  
  1. 吉林大学电子科学与工程学院集成光电子国家重点联合实验室, 吉林长春 130012
  2. 长春工业大学物理研究室,吉林长春,130012
- 作者简介：
- 基金信息：
  
  863"
- DOI：
  CLC： O482.31
- Received：25 February 2010，
  
  Revised：24 April 2010，
  
  Published Online：27 August 2010，
  
  Published：27 August 2010
- 稿件说明：
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陈欢, 揣晓红, 王丽丽, 翟雪松, 姜涛, 赵丹, 秦伟平. 水溶性NaYF4 ∶ Yb/Tm纳米粒子的制备及其上转换发光性质[J]. 发光学报, 2010,31(4): 538-542

CHEN Huan, CHUAI Xiao-hong, WANG Li-li, ZHAI Xue-song, JIANG Tao, ZHAO Dan, QIN Wei-ping. Synthesis and Optical Properties of Water Soluble Upconversion NaYF4 ∶ Yb,Tm Nanoparticles[J]. 发光学报, 2010,31(4): 538-542
陈欢, 揣晓红, 王丽丽, 翟雪松, 姜涛, 赵丹, 秦伟平. 水溶性NaYF4 ∶ Yb/Tm纳米粒子的制备及其上转换发光性质[J]. 发光学报, 2010,31(4): 538-542 DOI：

CHEN Huan, CHUAI Xiao-hong, WANG Li-li, ZHAI Xue-song, JIANG Tao, ZHAO Dan, QIN Wei-ping. Synthesis and Optical Properties of Water Soluble Upconversion NaYF4 ∶ Yb,Tm Nanoparticles[J]. 发光学报, 2010,31(4): 538-542 DOI：

摘要

利用溶剂热法合成了NaYF

∶ 20%Yb

0.5%Tm上转换发光纳米粒子(UCNPs)

用扫描电子显微镜、X射线衍射分析、发光光谱测量等手段对水溶性纳米颗粒进行了形貌和发光性质表征。结果表明

UCNPs是纯立方相的NaYF

尺寸均匀分布在30 nm左右。在980 nm红外光的激发下

UCNPs能够发出肉眼可见的明亮的蓝紫色光。发射光谱中最强发射峰在479 nm

来源于Tm

离子的

发射

并且给出了UCNPs的上转换发光机制。利用聚乙烯吡咯烷酮(PVP)作为表面活性剂所制备的上转换发光纳米颗粒具有良好的水溶性

尺寸较小

在生物荧光标记领域具有潜在的应用价值。

Abstract

Water soluble NaYF

∶ 20%Yb

0.5%Tm upconversion nanoparticles(UCNPs) were prepared by a facile solvothermal approach using polyvinylpyrrolidone (PVP) as the surfactant. X-ray diffraction(XRD) analyses showed that the UCNPs were pure cubic phase NaYF

nanocrystals. The size and morphology of the UCNPs were characterized by a scanning electron microscopy(SEM). The SEMimages proved that almost all the UCNPs were nanospheres with the size of ~40 nm. The UCNPs could be well dispersed in water to form a clearly transparent solution which could be kept for at least two days and there was no obvious precipitation. Pumped with 980-nm diode laser

the solution presented bright naked eye-visible violet/blue upconversion luminescence and the upconversion mechanism of the UCNPs was also given in this paper. These results showed that the UCNPs had potential applications in biological field as luminescence labeling probes.

关键词

Keywords

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