铕掺杂氧化锌纳米棒阵列材料的制备及光学性能研究

孙晓绮; 孟庆华; 孟庆云

doi:10.3788/fgxb20133405.0573

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铕掺杂氧化锌纳米棒阵列材料的制备及光学性能研究

材料合成及性能 | 更新时间：2020-08-12

- 铕掺杂氧化锌纳米棒阵列材料的制备及光学性能研究
- Fabrication and Optical Properties of Eu-doped ZnO Nanorod Arrays
- 发光学报 2013年34卷第5期页码：573-578
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,130033
  2. 北京化工大学理学院北京,100029
- 作者简介：
- 基金信息：
  
  国家自然科学基金(11104008)();北京自然科学基金(1103033)资助项目()
- DOI：10.3788/fgxb20133405.0573
  中图分类号： O484.1
- 收稿日期：2013-02-27，
  
  修回日期：2013-03-21，
  
  纸质出版日期：2013-05-10
- 稿件说明：
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孙晓绮, 孟庆华, 孟庆云. 铕掺杂氧化锌纳米棒阵列材料的制备及光学性能研究[J]. 发光学报, 2013,34(5): 573-578

SUN Xiao-qi, MENG Qing-hua, MENG Qing-yun. Fabrication and Optical Properties of Eu-doped ZnO Nanorod Arrays[J]. Chinese Journal of Luminescence, 2013,34(5): 573-578
孙晓绮, 孟庆华, 孟庆云. 铕掺杂氧化锌纳米棒阵列材料的制备及光学性能研究[J]. 发光学报, 2013,34(5): 573-578 DOI： 10.3788/fgxb20133405.0573.

SUN Xiao-qi, MENG Qing-hua, MENG Qing-yun. Fabrication and Optical Properties of Eu-doped ZnO Nanorod Arrays[J]. Chinese Journal of Luminescence, 2013,34(5): 573-578 DOI： 10.3788/fgxb20133405.0573.

摘要

通过低温化学方法在多孔硅柱状阵列(NSPA)衬底上制备得到铕掺杂ZnO (ZnO:Eu)纳米棒阵列结构。实验方法简单、条件温和

有效地实现了ZnO纳米棒和铕离子之间的能量转移

丰富了ZnO纳米半导体材料体系的发光。X射线衍射以及X射线光电子能谱证实铕离子成功掺杂进了ZnO晶体中。室温荧光光谱测试结果表明:ZnO:Eu纳米棒阵列可实现从紫外光到蓝-绿光的宽谱带发射

其中发光中心位于~380 nm的紫外光源于ZnO的带边发射

位于450~570 nm的蓝-绿光源于ZnO的本征缺陷发光

而位于~615 nm的红光发光则源于铕离子核外电子4f壳层结构。同时借助于能带示意图对光致发光机理进行了分析。

Abstract

The Eu-doped ZnO (ZnO:Eu) nanorod arrays have been successfully synthesized on nanoporous silicon pillar array (NSPA) substrates by hydrothermal method. The effective energy transfer from ZnO host to the doping ions has been revealed. The ZnO:Eu nanorod arrays could enrich the emissions of ZnO nanostructure

moreover

the fabrication method is simple under mild reaction condition. The presence of trivalent europium ions in ZnO crystal lattice has been confirmed by X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). Under the ultraviolet (UV) laser excitation

ZnO-related UV and near band energy blue-green emission and Eu

-related red emission were observed

which were attributed to the emission of ZnO

the band edge transition

the intrinsic defects and the Eu

ions transition

respectively. Based on the energy band diagram

the photoluminescence (PL) mechanism has been discussed

as well as energy transfer occurs from ZnO host to Eu

ions through intrinsic defects states of ZnO in ZnO:Eu nanorods structure.

关键词

Keywords

references

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