爆轰和燃烧法合成SrAl2O4:Eu2+,Dy3+纳米发光粉

曲艳东 李晓杰 赵铮 欧阳欣

曲艳东, 李晓杰, 赵铮, 欧阳欣. 爆轰和燃烧法合成SrAl2O4:Eu2+,Dy3+纳米发光粉[J]. 高压物理学报, 2008, 22(2): 175-180 . doi: 10.11858/gywlxb.2008.02.011
引用本文: 曲艳东, 李晓杰, 赵铮, 欧阳欣. 爆轰和燃烧法合成SrAl2O4:Eu2+,Dy3+纳米发光粉[J]. 高压物理学报, 2008, 22(2): 175-180 . doi: 10.11858/gywlxb.2008.02.011
QU Yan-Dong, LI Xiao-Jie, ZHAO Zheng, OUYANG Xin. Synthesis of SrAl2O4: Eu2+, Dy3+ Nanometer Phosphors by Detonation and Combustion Method[J]. Chinese Journal of High Pressure Physics, 2008, 22(2): 175-180 . doi: 10.11858/gywlxb.2008.02.011
Citation: QU Yan-Dong, LI Xiao-Jie, ZHAO Zheng, OUYANG Xin. Synthesis of SrAl2O4: Eu2+, Dy3+ Nanometer Phosphors by Detonation and Combustion Method[J]. Chinese Journal of High Pressure Physics, 2008, 22(2): 175-180 . doi: 10.11858/gywlxb.2008.02.011

爆轰和燃烧法合成SrAl2O4:Eu2+,Dy3+纳米发光粉

doi: 10.11858/gywlxb.2008.02.011
详细信息
    通讯作者:

    曲艳东

Synthesis of SrAl2O4: Eu2+, Dy3+ Nanometer Phosphors by Detonation and Combustion Method

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    Corresponding author: QU Yan-Dong
  • 摘要: 在低温条件下分别用爆轰法和燃烧法制备出了SrAl2O4:Eu2+,Dy3+ 纳米发光粉。从合成条件、热处理温度等方面详细对比了爆轰法和燃烧法对所制备的SrAl2O4:Eu2+,Dy3+纳米发光粉的晶体生长行为、粒子形貌和光学性质等的影响。研究表明,随着热处理温度的升高,爆轰法制备的纳米发光粉的平均粒径逐渐增大,而燃烧法制备的纳米发光粉的平均粒径先减小后增大,在600 ℃时平均粒径存在一个极小值。在同样热处理温度下,爆轰法制备的纳米发光粉的平均粒径增长明显高于燃烧法合成的纳米发光粉的平均粒径。最后讨论了长余辉的发光机理,并给出了如何改进合成方法的建议。

     

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出版历程
  • 收稿日期:  2007-05-10
  • 修回日期:  2007-11-16
  • 发布日期:  2008-06-05

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