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

页码：474 / 478

页数：5

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