Preparation of Ce3+∶BaF2 Transparent Ceramic by Hot-pressed Method

ZHAI Peng-fei; MEI Bing-chu; SONG Jing-hong; LI Wei-wei; LI Xiao-nv

doi:10.3788/fgxb20123307.0698

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Preparation of Ce³⁺∶BaF₂ Transparent Ceramic by Hot-pressed Method

更新时间：2020-08-12

- Preparation of Ce³⁺∶BaF₂ Transparent Ceramic by Hot-pressed Method
- Chinese Journal of Luminescence Vol. 33, Issue 7, Pages: 698-706(2012)
- 作者机构：
  
  1. 武汉理工大学材料复合新技术国家重点实验室,湖北武汉,430070
  2. 武汉理工大学材料研究与测试中心,湖北武汉,430070
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123307.0698
  CLC： O482.31
- Received：06 May 2012，
  
  Revised：29 May 2012，
  
  Published Online：10 July 2012，
  
  Published：10 July 2012
- 稿件说明：
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翟朋飞, 梅炳初, 宋京红, 李威威, 李小女. Ce3+∶BaF2多晶透明陶瓷的热压烧结法制备[J]. 发光学报, 2012,33(7): 698-706

ZHAI Peng-fei, MEI Bing-chu, SONG Jing-hong, LI Wei-wei, LI Xiao-nv. Preparation of Ce3+∶BaF2 Transparent Ceramic by Hot-pressed Method[J]. Chinese Journal of Luminescence, 2012,33(7): 698-706
翟朋飞, 梅炳初, 宋京红, 李威威, 李小女. Ce3+∶BaF2多晶透明陶瓷的热压烧结法制备[J]. 发光学报, 2012,33(7): 698-706 DOI： 10.3788/fgxb20123307.0698.

ZHAI Peng-fei, MEI Bing-chu, SONG Jing-hong, LI Wei-wei, LI Xiao-nv. Preparation of Ce3+∶BaF2 Transparent Ceramic by Hot-pressed Method[J]. Chinese Journal of Luminescence, 2012,33(7): 698-706 DOI： 10.3788/fgxb20123307.0698.

摘要

采用沉淀法制备了Ce

∶BaF

纳米粉体

研究了反应顺序和F

－

浓度对沉淀法制备Ce

∶BaF

粉体的影响

采用XRD、SEM、TEM、ICP等手段对粉体进行了分析。结果表明:采用阴离子滴入阳离子的反应顺序

在较高F

－

浓度下制备的粉体保持了单一物相

粉体中稀土离子含量接近于初始掺入量。采用热压法于900 ℃温度同时在模具上施加30 MPa压力的条件下制备了Ce

∶BaF

多晶透明陶瓷

陶瓷断面SEM结果显示

晶粒内存在闭气孔

陶瓷表面腐蚀后晶界完整清晰。X射线发光谱测试结果显示

的掺杂摩尔分数为0.1%时

陶瓷样品的发光强度最大

此时Ce

的掺杂量小于单晶中发光最强时的掺杂量。

Abstract

∶BaF

nanoparticles prepared via co-precipitation have been investigated for reaction sequence and concentration of reactants. Nano-particles were characterized by means of X-ray diffraction

SEM

TEM

ICP respectively. The results indicate that the powder synthesized by the condition of reverse reaction (anionic drip into the cationic) and high F

concentration is single phase and the actual doping value is close to the theoretical value. The transparent ceramic was prepared by hot-pressed way at 900 ℃ and 30 MPa. It can be seen that some closed pores existed in the grains from the picture of cross section. After superficial corrosion

grain boundary could be clearly seen from the microscope images. The X-ray induced luminescence intensity reached a maximum when the doping mole fraction of Ce

was 0.1%

lower than the Ce

content in the crystal.

关键词

Keywords

references

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