Luminescence of LiTb(PO3)4:Sm3+ and energy transfer from Tb3+ to Sm3+ under vacuum ultraviolet-ultraviolet excitation

被引：16

作者：

Han, B. ^{[1
]}

Liang, H. ^{[1
]}

Huang, Y. ^{[2
]}

Tao, Y. ^{[2
]}

Su, Q. ^{[1
]}

机构：

[1] Sun Yat Sen Univ, MOE Lab Bioinorgan & Synthet Chem, State Key Lab Optoelect Mat & Technol, KLGHEI Environm & Energy Chem,Sch Chem & Chem Eng, Guangzhou 510275, Guangdong, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2011年 / 104卷 / 01期

基金：

中国国家自然科学基金;

关键词：

PHOTON CASCADE EMISSION; VUV SENSITIZATION; PHOSPHORS; GD3+; LIGD(PO3)(4); LAALGE2O7; FIELD; MN2+;

D O I：

10.1007/s00340-011-4580-6

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The photoluminescence (PL) of LiTb(PO3)(4), LiGd0.97Sm0.03(PO3)(4), and LiTb0.97Sm0.03(PO3)(4) under vacuum ultraviolet (VUV)/ultraviolet (UV) excitation were studied. We observed the VUV-UV sensitization of Sm3+ emission (561 nm, 601 nm, 649 nm, and 710 nm) by Tb3+ in LiTb(PO3)(4):Sm3+, which leads to the yellow light emission (486 nm, 546 nm, 561 nm, 587 nm, 601 nm, 621 nm, 649 nm, and 710 nm) of LiTb(PO3)(4):Sm3+ phosphor under UV and VUV excitation. The emission is a result of partial energy transfer from Tb3+ to Sm3+, which is discussed in detail in terms of the excitation and emission spectra and decay curves.

引用

页码：241 / 246

页数：6

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