利用核壳结构实现纳米颗粒的多色上转换发光

于放达; 陈欢; 赵丹; 秦冠仕; 秦伟平

doi:10.3788/fgxb20143502.0165

您当前的位置：

首页 >

文章列表页 >

利用核壳结构实现纳米颗粒的多色上转换发光

材料合成及性能 | 更新时间：2020-08-12

- 利用核壳结构实现纳米颗粒的多色上转换发光
- Multicolor Upconversion Luminescence from Core-shell Structured Nanoparticles
- 发光学报 2014年35卷第2期页码：165-171
- 作者机构：
  
  吉林大学电子科学与工程学院集成光电子学国家重点联合实验室,吉林长春,130012
- 作者简介：
- 基金信息：
  
  国家自然科学基金（61275189，11274139，61378004）资助项目()
- DOI：10.3788/fgxb20143502.0165
  中图分类号： O482.31
- 收稿日期：2013-10-10，
  
  修回日期：2013-11-24，
  
  纸质出版日期：2014-02-03
- 稿件说明：
移动端阅览
于放达, 陈欢, 赵丹等. 利用核壳结构实现纳米颗粒的多色上转换发光[J]. 发光学报, 2014,35(2): 165-171

YU Fang-da, CHEN Huan, ZHAO Dan etc. Multicolor Upconversion Luminescence from Core-shell Structured Nanoparticles[J]. Chinese Journal of Luminescence, 2014,35(2): 165-171
于放达, 陈欢, 赵丹等. 利用核壳结构实现纳米颗粒的多色上转换发光[J]. 发光学报, 2014,35(2): 165-171 DOI： 10.3788/fgxb20143502.0165.

YU Fang-da, CHEN Huan, ZHAO Dan etc. Multicolor Upconversion Luminescence from Core-shell Structured Nanoparticles[J]. Chinese Journal of Luminescence, 2014,35(2): 165-171 DOI： 10.3788/fgxb20143502.0165.

摘要

将多色荧光标记技术应用于生物信息检测可实现快速、实时、同步大规模检测目标生物分子的目的，利用上转换纳米粒子作为多色荧光探针可有效地避免生物组织自荧光对检测信号的影响。本文制备了具有核-壳结构的稀土氟化物纳米粒子，并通过在核与壳不同位置共掺杂不同浓度的敏化离子和发光离子来改变发光离子各发射峰之间的相对强度。利用不同颜色和强度的发射光谱实现了纳米粒子的多色上转换发光。利用透射电子显微镜成像、X射线衍射分析、发光光谱等测量手段对多色上转换发光纳米粒子进行了形貌、结构和上转换发光性质的表征。实验结果表明，具有核-壳结构的纳米粒子尺寸小于30 nm，呈球形。在980 nm红外光激发下，纳米粒子呈现从红色到蓝紫色的颜色可变的上转换发光。

Abstract

Multicolor fluorescence labeling techniques used in biological multiplex detection can achieve fast

real-time

simultaneous information for a large number of target bio-molecules. Using upconversion nanoparticles as multicolor fluorescent probes can effectively decrease the influence of auto-fluorescence from biological molecules on the fluorescence signal from the nanoparticles. In this paper

the core-shell structured upconversion nanoparticles were prepared by a facile solvothermal method using polyvinylpyrrolidone (PVP) as the surfactant. By co-doping sensitizer and activator ions in the cores and/or shells

the relative intensity of the emission peak was changed. The multicolor fluorescence was obtained from different nanoparticles with different color and intensity of the emission spectra. These nanoparticles were spherical and their sizes were about 30 nm. With the excitation of a 980 nm diode laser

those nanoparticles emitted bright upconversion luminescence from red to blue-violet.

关键词

Keywords

references

Wang F, Liu X. Recent advances in the chemistry of lanthanide-doped upconversion nanocrystals [J]. Chem. Soc. Rev., 2009, 38(4):976-989. [2] Escobedo J O, Rusin O, Lim S, et al. NIR dyes for bioimaging applications[J]. Curr. Opin. Chem. Biol., 2010, 14(1):64-70. [3] Nozik A J, Beard M C, Luther J M, et al. Semiconductor quantum dots and quantum dot arrays and applications of multiple exciton generation to third-generation photovoltaic solar cells [J]. Chem. Rev., 2010, 110(11):6873-6890. [4] Li C, Lin J. Rare earth fluoride nano-/microcrystals: Synthesis, surface modification and application [J]. J. Mater. Chem., 2010, 20(33):6831-6847. [5] Zhang F, Haushalter R C, Haushalter R W, et al. Rare-earth upconverting nanobarcodes for multiplexed biological detection [J]. Small, 2011, 7(14):1972-1976. [6] Jiang H, Wang G, Zhang W, et al. Preparation and time-resolved luminescence bioassay application of multicolor luminescent lanthanide nanoparticles [J]. J. Fluoresc., 2010, 20(1):321-328. [7] Zhang F, Shi Q, Zhang Y, et al. Fluorescence upconversion microbarcodes for multiplexed biological detection:Nucleic acid encoding [J]. Adv. Mater., 2011, 23(33):3775-3779. [8] Wang F, Banerjee D, Liu Y, et al. Upconversion nanoparticles in biological labeling, imaging, and therapy [J]. Analyst, 2010, 135(8):1839-1854. [9] Chen J, Guo C, Wang M, et al. Controllable synthesis of NaYF4： Yb,Er upconversion nanophosphors and their application to in vivo imaging of Caenorhabditis elegans [J]. J. Mater. Chem., 2011, 21(8):2632-2638. [10] Wang F, Liu X. Upconversion multicolor fine-tuning: Visible to near-infrared emission from lanthanide-doped NaYF4 nanoparticles [J]. J. Am. Chem. Soc., 2008, 130(17):5642-5643. [11] Lin M, Zhao Y, Wang S Q, et al. Recent advances in synthesis and surface modification of lanthanide-doped upconversion nanoparticles for biomedical applications [J]. Biotechnol. Adv., 2012, 30(6):1551-1561. [12] Wang G, Peng Q, Li Y. Lanthanide-doped nanocrystals: Synthesis, optical-magnetic properties, and applications [J]. Acc. Chem. Res., 2011, 44(5):322-332. [13] Wang F, Liu X. Upconversion multicolor fine-tuning: Visible to near-infrared emission from lanthanide-doped NaYF4 nanoparticles [J]. J. Am. Chem. Soc., 2008, 130(17):5642-5643. [14] Zheng K, Zhang D, Zhao D, et al. Bright white upconversion emission from Yb3+, Er3+, and Tm3+-codoped Gd2O3 nanotubes [J]. Phys. Chem. Chem. Phys., 2010, 12(27):7620-7625. [15] Chen H, Zhai X, Li D, et al. Water-soluble Yb3+, Tm3+ codoped NaYF4 nanoparticles: Synthesis, characteristics and bioimaging [J]. J. Alloys Compd., 2012, 511(1):70-73. [16] Li Z, Zhang Y. An efficient and user-friendly method for the synthesis of hexagonal-phase NaYF4：Yb,Er/Tm nanocrystals with controllable shape and upconversion fluorescence [J]. Nanotechnol., 2008, 19(34):345606-1-5.

浏览量

359

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

光子晶体对稀土上转换发光的调控

白色荧光粉CaF₂:Yb³⁺/Eu³⁺/La³⁺的制备及其上转换发光特性

单颗粒稀土纳米晶的三基色上转换发光

水热法合成GdInO₃:Yb³⁺/Ho³⁺荧光粉及其上转换发光性能

Al³⁺,Ba²⁺掺杂YF₃:Er³⁺,Yb³⁺的上转换发光性能