Laser site-selective excitation and emission spectroscopy of Eu3+-doped Ba3BP3O12

被引：7
作者：
Huang, Yanlin [2 ]
Jang, Kiwan [1 ]
Zhao, Wanxue [2 ]
Jang, Kyoung Hyuk [3 ]
Lee, Ho Sueb [1 ]
Seo, Hyo Jin [3 ]
机构：
[1] Changwon Natl Univ, Dept Phys, Chang Won 641773, South Korea
[2] Soochow Univ, Sch Mat Engn, Suzhou 215021, Peoples R China
[3] Pukyong Natl Univ, Dept Phys, Pusan 608737, South Korea
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 465卷 / 1-2期
关键词：
Phosphors; Chemical synthesis; Point defects; Luminescence;
D O I：
10.1016/j.jallcom.2007.10.114
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：
The Eu3+ ions doped Ba3BP3O12 were prepared by high-temperature solid-state reaction method. The site-selective excitation and emission spectroscopy, and luminescence decay have been investigated in the D-5(0) --> F-7(0) region under a pulsed, tunable, narrowband dye laser at RT and 10 K. The emission only arises from the D-5(0) level of Eu3+ ions. The study is focused on the distribution of Eu3+ sites which exhibit different spectroscopic features in Ba3BP3O12. Non-site-selective emission spectra under UV excitation were also performed. There exist two isolated Eu3+ crystallography sites in Ba3BP3O12, among which no energy transfers could be detected. The defect structures and charge compensation mechanism were discussed. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：474 / 478
页数：5
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