中华医学超声杂志

应用化学 ›› 1993, Vol. 0 ›› Issue (6): 27-30.

• 研究论文 • 上一篇    下一篇

YPxV1-xO4(0≤x≤1):Dy3+的合成及其光谱性质的研究

池利生, 苏锵   

  1. 中国科学院长春应用化学研究所稀土化学与物理实验室 130022 长春
  • 收稿日期:1993-05-17 修回日期:1993-07-15 出版日期:1993-12-10 发布日期:1993-12-10
  • 基金资助:
    国家自然科学基金资助课题

SYNTHESIS AND LUMINESCENCE PROPERTIES OF YPxV1-xO4(0≤x≤1):Dy3+

Chi Lisheng, Su Qiang   

  1. Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun
  • Received:1993-05-17 Revised:1993-07-15 Published:1993-12-10 Online:1993-12-10

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摘要： 本文报道了不同组成的YPxV1-xO4(0≤x≤1):Dy3+的合成和结构。YPxV1-xO4(0≤x≤1)为四方晶系,晶胞参数随x的增大呈线性减小。基质的Stokes位移随x的增大逐渐变大,而激发光谱峰值则向短波方向移动。在YPxV1-xO4:0.006Dy3+体系中,x>0.4时出现的基质发射是由P043-引起的。基质及Dy3+的发光效率和Dy3+的发光强度的黄蓝比均与x有关。同时探讨了Bi3+和温度对Dy3+的发光强度的影响。

关键词: 钒磷酸钇, 镝, 铋, 光谱, 合成

Abstract: The crystals of YPxV1-xO4 (0≤x≤1) are tetragonal. With increase of x, their lattice parameters linearly decrease, the Stokes shifts increase and the peak of excitation spectra shifts to shorter wavelenghth. The luminescence effieiencies of the matrix and Dy3+ and the yellow-to-blue intensity ratio of Dy3+ are related to x. For compound YPxV1-xO4 0.006Dy3+ the matrix emission is caused by PO43-, when x>0.4. The influences of Bi3+ and temperature On the emission intensity of Dy3+ were also investigated.

Key words: yttrium phosphate-vanadate, dysprosium, bismuth, luminescence, synthesis

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