Hydrothermal Synthesis and Luminescence Properties of NBT-Eu Nanopowders

SUN Jian-jian; CHEN Peng-fei; ZHANG Shuai; FANG Bi-jun; DING Jian-ning

doi:10.3788/fgxb20163702.0151

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Hydrothermal Synthesis and Luminescence Properties of NBT-Eu Nanopowders

更新时间：2020-08-12

- Hydrothermal Synthesis and Luminescence Properties of NBT-Eu Nanopowders
- Chinese Journal of Luminescence Vol. 37, Issue 2, Pages: 151-157(2016)
- 作者机构：
  
  常州大学材料科学与工程学院, 江苏省光伏科学与工程协同创新中心,江苏常州,213164
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163702.0151
  CLC： O482.31
- Received：06 November 2015，
  
  Revised：01 December 2015，
  
  Published：10 February 2016
- 稿件说明：
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孙建建, 陈鹏飞, 张帅等. NBT-Eu纳米粉体的水热合成及其发光性能研究[J]. 发光学报, 2016,37(2): 151-157

SUN Jian-jian, CHEN Peng-fei, ZHANG Shuai etc. Hydrothermal Synthesis and Luminescence Properties of NBT-Eu Nanopowders[J]. Chinese Journal of Luminescence, 2016,37(2): 151-157
孙建建, 陈鹏飞, 张帅等. NBT-Eu纳米粉体的水热合成及其发光性能研究[J]. 发光学报, 2016,37(2): 151-157 DOI： 10.3788/fgxb20163702.0151.

SUN Jian-jian, CHEN Peng-fei, ZHANG Shuai etc. Hydrothermal Synthesis and Luminescence Properties of NBT-Eu Nanopowders[J]. Chinese Journal of Luminescence, 2016,37(2): 151-157 DOI： 10.3788/fgxb20163702.0151.

摘要

采用水热合成法、在不同条件下制备Na

0.5

0.49

0.01

TiO

(NBT-Eu)纳米粉体。通过X射线粉末衍射(XRD)、紫外-可见光谱、透射电子显微镜、荧光光谱对样品进行表征。结果表明

在200 ℃、碱浓度12 molL

-1

、反应时间24 h、添加剂OP-10用量为0.6 mL时

可以得到纯三方钙钛矿结构的NBT-Eu粉体

该粉体以直径为15~200 nm的纳米棒形式存在。NBT-Eu粉体在458 nm激发下

产生689 nm的荧光

该荧光由Eu

的

能级跃迁产生。

Abstract

0.5

0.49

0.01

TiO

nanopowders were prepared by the hydrothermal method under different conditions. The synthesized nanopowders were characterized by X-ray diffraction

UV-visible spectra

transmission electron microscopy and photoluminescence spectra. The results reveal that the phase-pure rhombohedral perovskite structure NBT-Eu powders can be prepared at a hydrothermal temperature of 200 ℃ for 24 h with 12 molL

-1

NaOH and 0.6 mL OP-10. The powders exhibit nanorod shape with a diameter of 15 to 200 nm. Under the excitation of 458 nm light

NBT-Eu nanopowders exhibit the strongest emission at 689 nm

which can be attributed to

transition of Eu

关键词

Keywords

references

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