双波长Pr3+ 掺杂12CaO&middot;7Al2O3的光存储特性

郭宇; 刘玉学; 闫小磊; 严端廷; 刘春光; 赵立竹; 徐长山

doi:10.3788/fgxb20113204.0313

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双波长Pr³⁺ 掺杂12CaO·7Al₂O₃的光存储特性

材料合成及性能研究 | 更新时间：2020-08-12

- 双波长Pr³⁺ 掺杂12CaO·7Al₂O₃的光存储特性
- Two-wavelength Optical Storage Properties of 12CaO·7Al₂O₃ ∶ Pr³⁺ Phosphor
- 发光学报 2011年32卷第4期页码：313-318
- 作者机构：
  
  东北师范大学物理学院先进光电子功能材料研究中心,吉林长春,130024
- 作者简介：
- 基金信息：
  
  国家自然科学基金(10874023,11074031)();教育部新世纪优秀人才支持计划(NECT-08-0757)();吉林省科技厅科技发展计划(20100553)资
- DOI：10.3788/fgxb20113204.0313
  中图分类号： O482.31
- 收稿日期：2011-02-18，
  
  修回日期：2011-03-01，
  
  网络出版日期：2011-04-22，
  
  纸质出版日期：2011-04-22
- 稿件说明：
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郭宇, 刘玉学, 闫小磊, 严端廷, 刘春光, 赵立竹, 徐长山. 双波长Pr3+ 掺杂12CaO·7Al2O3的光存储特性[J]. 发光学报, 2011,32(4): 313-318

GUO Yu, LIU Yu-xue, YAN Xiao-lei, YAN Duan-ting, LIU Chun-guang, ZHAO Li-zhu, XU Chang-shan. Two-wavelength Optical Storage Properties of 12CaO·7Al2O3 ∶ Pr3+ Phosphor[J]. Chinese Journal of Luminescence, 2011,32(4): 313-318
郭宇, 刘玉学, 闫小磊, 严端廷, 刘春光, 赵立竹, 徐长山. 双波长Pr3+ 掺杂12CaO·7Al2O3的光存储特性[J]. 发光学报, 2011,32(4): 313-318 DOI： 10.3788/fgxb20113204.0313.

GUO Yu, LIU Yu-xue, YAN Xiao-lei, YAN Duan-ting, LIU Chun-guang, ZHAO Li-zhu, XU Chang-shan. Two-wavelength Optical Storage Properties of 12CaO·7Al2O3 ∶ Pr3+ Phosphor[J]. Chinese Journal of Luminescence, 2011,32(4): 313-318 DOI： 10.3788/fgxb20113204.0313.

摘要

采用化学共沉淀法制备了Pr

掺杂的12CaO7Al

(C12A7 ∶ Pr

)材料。通过X射线衍射(XRD)、发射光谱、激发光谱、余辉衰减曲线、热释发光及光激励发光等测试手段系统研究了C12A7 ∶ Pr

材料的微观结构和光学性质。结果表明

C12A7是一种理想的适合Pr

掺杂的基质材料

C12A7 ∶ Pr

具有很强的位于491 nm的蓝绿光发射

其独特的双波长光存储对应在491

535 nm

有望成为理想的新型光存储材料。

Abstract

-doped 12CaO7Al

(C12A7 ∶ Pr

) powders were prepared using the coprecipitation method and were characterized by XRD

excitation and emission spectra

fluorescence lifetime

afterglow decay

thermoluminescence and photostimulated luminescence. The emission peaks at 491

535

614 nm are attributed to the transition of

and

of Pr

ions. The long afterglow emission locate at 491

535

614 nm

the time of the afterglow emission is about 300 s. By fitting the thermoluminescence spectrum data

the depth of the trap is about 0.63 eV. After the samples were irradiated by UV light (230 nm) for 5 min and placed in the dark for 5 min to drain the afterglow

the intensive photostimulated luminescence(PSL)is observed under infrared excitation (808 nm) due to the existence of the shallow traps. Our results indicate that C12A7 ∶ Pr

phosphor with three-wavelength phosphorescence and two-wavelength optical storage can be used in optical storage field as one kind of multi-dimension recording materials.

关键词

Keywords

references

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双波长Pr3+ 掺杂12CaO·7Al2O3的光存储特性

Two-wavelength Optical Storage Properties of 12CaO·7Al2O3 ∶ Pr3+ Phosphor

DOI：10.3788/fgxb20113204.0313

摘要

Abstract

关键词

Keywords

references

双波长Pr³⁺ 掺杂12CaO·7Al₂O₃的光存储特性

Two-wavelength Optical Storage Properties of 12CaO·7Al₂O₃ ∶ Pr³⁺ Phosphor