Charge transfer luminescence of Yb3+ in orthophosphates

被引：43
|
作者：
van Pieterson, L [1 ]
Meijerink, A [1 ]
机构：
[1] Univ Utrecht, Debye Inst, NL-3508 TA Utrecht, Netherlands
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2000年 / 300卷
关键词：
charge transfer; luminescence; Yb3+;
D O I：
10.1016/S0925-8388(99)00756-2
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Charge transfer luminescence of Yb3+ in the orthophosphates REPO4 (RE=Sc, Lu, Y, La) has been investigated. Yb3+ shows charge transfer luminescence in the orthophosphates of cations with a relative small radius (Sc, Lu, Y). In LaPO4, no proof for Yb3+ charge transfer luminescence has been found. The decay time of the charge transfer luminescence is about 150 ns in the three orthophosphates. The quenching temperature is around 250 K and is compared with the quenching temperature of Eu3+ luminescence in the orthophosphates after excitation in the charge transfer state. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码：426 / 429
页数：4
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