纳米晶Gd2O3 ∶ Eu3+的制备与发光性质

刘林峰; 吕树臣

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纳米晶Gd₂O₃ ∶ Eu³⁺的制备与发光性质

论文 | 更新时间：2020-08-12

- 纳米晶Gd₂O₃ ∶ Eu³⁺的制备与发光性质
- Preparation and Luminescent Properties of Nanocrystalline Gd₂O₃ ∶ Eu³⁺
- 发光学报 2009年30卷第2期页码：228-232
- 作者机构：
  
  哈尔滨师范大学纳米功能材料研究黑龙江省重点实验室
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31
- 收稿：2008-08-17，
  
  修回：1900-1-2，
  
  网络首发：2009-04-30，
  
  纸质出版：2009-04-30
- 稿件说明：
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刘林峰, 吕树臣. 纳米晶Gd₂O₃ ∶ Eu³⁺的制备与发光性质[J]. 发光学报, 2009,30(2):228-232.

LIU Lin-feng, LU Shu-chen. Preparation and Luminescent Properties of Nanocrystalline Gd₂O₃ ∶ Eu³⁺[J]. Chinese Journal of Luminescence, 2009, 30(2): 228-232.
刘林峰, 吕树臣. 纳米晶Gd₂O₃ ∶ Eu³⁺的制备与发光性质[J]. 发光学报, 2009,30(2):228-232. DOI：

LIU Lin-feng, LU Shu-chen. Preparation and Luminescent Properties of Nanocrystalline Gd₂O₃ ∶ Eu³⁺[J]. Chinese Journal of Luminescence, 2009, 30(2): 228-232. DOI：

摘要

利用共沉淀法制备了纳米晶Gd

: Eu

发光粉体。在不同掺杂浓度、不同煅烧温度的系列样品中

均观测到Eu

离子的特征发射。样品的晶相与发射性质的研究表明:所制备的样品经800~1 300 ℃热处理后

晶相为立方相

1 400 ℃时开始向单斜相转变。荧光强度与Eu

离子掺杂浓度关系研究表明:在不同掺杂浓度中

离子浓度为4%时其相对发射强度最强。在三个不同的煅烧温度中

经800 ℃煅烧的样品其发光效果最好。此外还观察到电荷转移激发态以及基质、Gd

与Eu

之间的能量传递。激发谱包含三部分

即电荷转移带、Eu

的4f内壳层电子跃迁和Gd

的激发谱。

Abstract

paper

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references

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