超声喷雾共沉淀法制备Eu3+掺杂纳米ZnO粉体

和宁宁; 邱杨; 夏海平; 王冬杰

doi:10.3788/fgxb20113201.0021

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超声喷雾共沉淀法制备Eu³⁺掺杂纳米ZnO粉体

材料合成及性能研究 | 更新时间：2020-08-12

- 超声喷雾共沉淀法制备Eu³⁺掺杂纳米ZnO粉体
- Preparation of Eu³⁺-doped Nano-ZnO by Ultrasonic Atomization and Co-precipitation Method
- 发光学报 2011年32卷第1期页码：21-26
- 作者机构：
  
  1. 宁波大学材料科学与化学工程学院,浙江宁波,315211
  2. 宁波大学光电子功能材料重点实验室, 浙江宁波 315211
- 作者简介：
- 基金信息：
  
  国家自然科学基金(50972061)();浙江省杰出青年自然科学基金(R4100364)();宁波市科技局(2009A610007,2010A610185) 资助项目()
- DOI：10.3788/fgxb20113201.0021
  中图分类号： O482.31
- 收稿日期：2010-04-22，
  
  修回日期：2010-09-20，
  
  网络出版日期：2011-01-22，
  
  纸质出版日期：2011-01-22
- 稿件说明：
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和宁宁, 邱杨, 夏海平, 王冬杰. 超声喷雾共沉淀法制备Eu3+掺杂纳米ZnO粉体[J]. 发光学报, 2011,32(1): 21-26

HE Ning-ning, QIU Yang, XIA Hai-ping, WANG Dong-jie. Preparation of Eu3+-doped Nano-ZnO by Ultrasonic Atomization and Co-precipitation Method[J]. Chinese Journal of Luminescence, 2011,32(1): 21-26
和宁宁, 邱杨, 夏海平, 王冬杰. 超声喷雾共沉淀法制备Eu3+掺杂纳米ZnO粉体[J]. 发光学报, 2011,32(1): 21-26 DOI： 10.3788/fgxb20113201.0021.

HE Ning-ning, QIU Yang, XIA Hai-ping, WANG Dong-jie. Preparation of Eu3+-doped Nano-ZnO by Ultrasonic Atomization and Co-precipitation Method[J]. Chinese Journal of Luminescence, 2011,32(1): 21-26 DOI： 10.3788/fgxb20113201.0021.

摘要

采用超声喷雾共沉淀法技术

以Zn(NO

)

O和(NH

)CO

为前驱体制备了ZnO纳米粉体以及ZnO ∶ Eu粉体。研究了超声喷雾条件、反应时间以及化学组分对ZnO纳米粉体的形貌和尺寸的影响

着重研究了氢氧化锌脱水生成ZnO纳米粉体的化学处理条件。在ZnO中掺入Eu

离子

研究了不同Eu

掺杂量对纳米ZnO粉体发光性能的影响。借助于XRD、SEM和荧光光谱技术对粉体的晶相、形貌及发光性能进行了表征。结果表明:所获ZnO纳米粒子的平均粒径为35~45 nm

结晶程度好且呈均匀的球形

当Eu

掺杂摩尔分数达10%时

未发现荧光的浓度猝灭现象。

Abstract

In this paper

nano-ZnO and Eu

doped nano-ZnO powders were prepared by ultrasonic atomization and co-precipitation method with Zn(NO

)

and (NH

)

as reactants. The effects of the ultrasonic spraying condition

the reaction time and chemical composition on the morphology and size of ZnO nanopowder were carefully investigated. And the chemical processing condition of the zinc hydroxide dehydrated to ZnO nano-powder was analyzed. XRD

SEM and fluorescence spectrophotometer were employed to characterize the phase composition

particle size and luminescence property of the nano-powder. XRD results of the powder show a typical wurtzite hexagonal crystal structure. The photoluminescence spectra indicate that Eu

ions are successfully doped into the crystal lattice of ZnO matrix. The emission of the

comes from an allowed electric-dipole transition is the strongest. The SEM results show that the prepared spherical nanosized zinc oxide have narrow size distributions at 35~45 nm. The effect of ZnO content on the emission intensity was also investigated. The concentration quenching for the emission intensity did not occur when the doping concentration of Eu

up to 10%.

关键词

Keywords

references

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