NBT-Eu纳米粉体的水热合成及其发光性能研究

孙建建; 陈鹏飞; 张帅; 方必军; 丁建宁

doi:10.3788/fgxb20163702.0151

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NBT-Eu纳米粉体的水热合成及其发光性能研究

材料合成及性能 | 更新时间：2020-08-12

- NBT-Eu纳米粉体的水热合成及其发光性能研究
- Hydrothermal Synthesis and Luminescence Properties of NBT-Eu Nanopowders
- 发光学报 2016年37卷第2期页码：151-157
- 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：
  
  国家自然科学基金(51577015);江苏省高校自然科学研究重大项目(15KJA43002);江苏高校优势学科建设工程(苏学科办〔2014〕9号)资助项目
- DOI：10.3788/fgxb20163702.0151
  中图分类号： O482.31
- 纸质出版日期：2016-2-10，
  
  收稿日期：2015-11-6，
  
  修回日期：2015-12-1，
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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

NBT-Eu水热合成光致发光

Keywords

NBT-Euhydrothermal synthesisphotoluminescence

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