| SmxLa1-xP5O14和DyxY1-xP5O14晶体的荧光寿命研究 |
| |
| 引用本文： | 潘利华,董向明.SmxLa1-xP5O14和DyxY1-xP5O14晶体的荧光寿命研究[J].发光学报,1989,10(4):296-303. |
| |
| 作者姓名： | 潘利华 董向明 |
| |
| 作者单位： | 1. 中国科学院长春应用化学研究所;2. 中国科学院稀土化学与物理开放实验室 |
| |
| 摘 要： | 本文用脉冲衰减法和时间分辨荧光光谱法测量了六种不同稀土离子浓度的SmxLa1-xP5O4晶体的4G5/2→6HJ(J=5/2,7/2,9/2,11/2)四个能级和七种不同稀土离子浓度的DyxY1-xP5O14晶体的4F9/2→6HJ(J=15/2,13/2,11/2,9/2)四个能级的荧光寿命和荧光强度。结果指出,在这类晶体中,Sm3+和Dy3+的荧光寿命随着离子的浓度增加而变短,存在着严重的荧光浓度猝灭现象。最后还讨论了浓度与寿命,寿命与荧光强度的关系。
|
| 关 键 词： | 稀土离子 晶体 荧光寿命 荧光强度 |
| 收稿时间： | 1988-05-09 |
STUDY OF FLUORESCENT LIFETIMES OF SmxLa1-xP5O14 AND DyxY1-xP5O14 SINGLE CRYSTALS |
| |
| Pan Lihua,Dong Xiangming,Zhang Siyuan.STUDY OF FLUORESCENT LIFETIMES OF SmxLa1-xP5O14 AND DyxY1-xP5O14 SINGLE CRYSTALS[J].Chinese Journal of Luminescence,1989,10(4):296-303. |
| |
| Authors: | Pan Lihua Dong Xiangming Zhang Siyuan |
| |
| Institution: | 1. Changchun Institute of Applied Chemistry, Academia Sinica;2. Reare Earth Chemistry and Physics Laboratory, Academia Sinica |
| |
| Abstract: | In this paper, fluorescent lifetimes of Sm3+ in SmxLa1-xP5O14 single crystals originating from transitions between 4G5/2 and 6HJ (J=5/2, 7/2, 9/2,11/2) energy levels and Dy3+ in DyxY1-xP5O14 single crystal originating from transitions between 4F9/2 and 6HJ (J=15/2, 13/2, 11/2, 9/2) energy levels at several concentrations were measured and investigated in detail.The measurement of lifetime was completed by pulse decay curve method and time resolved fluorescent spectrum method, the relative crror<15%. The set-up of lifetime measuring consists of a N2 laser and a photoelectricity detecting system with pulsed gated Boxcar averager. Measurement of fluorescent intensities of the rare earth pentaphosphate single crystals was completed by MPF-4 Fluorimetcr. |
| |
| Keywords: | |
| 本文献已被 维普 等数据库收录！ |
| 点击此处可从《发光学报》浏览原始摘要信息 |
| 点击此处可从《发光学报》下载免费的PDF全文 |
|
