Luminescence of Tb3+-doped strontium quinolinate

被引：4
|
作者：
Yuan, LJ [1 ]
Sun, JT [1 ]
Wang, QY [1 ]
Zhang, KL [1 ]
机构：
[1] Wuhan Univ, Dept Chem, Wuhan 430072, Peoples R China
来源：
SPECTROSCOPY LETTERS | 1999年 / 32卷 / 05期
基金：
中国国家自然科学基金;
关键词：
strontium; quinolinic; terbium; luminescence; rheological phase reaction;
D O I：
10.1080/00387019909350033
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The Tb3+-doped strontium quinolinate was prepared by rheological phase reaction method. The thermal stability, powder X-ray diffraction, infrared, emission and excitation spectra are investigated. The energy transfer mechanism from C5H3N(CO2)(2) to Tb3+ ion and the influence of structure and heterocycle on the luminescence intensity were discussed. The energy S1 pi,pi(.) excited states of C5H3N(CO2)(2) can be transferred to D-5(4) of Tb3+ ion to send out the D-5(4)-->F-7(j) transition emission of Tb3+. The nitrogen heterocycle makes the excitation band of Tb3+ ion shift to short wavelength.
引用
收藏
页码：867 / 873
页数：7
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