Er-Pr tellurite glasses as promising materials for white light emitting diodes

被引：9

作者：

Reben, M. ^{[2
]}

Wasylak, J. ^{[2
]}

AlZayed, N. S. ^{[1
]}

El-Naggar, A. M. ^{[1
,3
]}

Brik, M. G. ^{[4
]}

Kityk, I. V. ^{[1
]}

机构：

[1] King Saud Univ, Dept Phys & Astron, Fac Sci, Riyadh 11451, Saudi Arabia

[2] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, PL-30059 Krakow, Poland

[3] Ain Shams Univ, Dept Phys, Fac Sci, Cairo 11566, Egypt

[4] Univ Tartu, Inst Phys, EE-50090 Tartu, Estonia

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2012年 / 23卷 / 02期

关键词：

SPECTROSCOPIC PROPERTIES;

D O I：

10.1007/s10854-011-0456-0

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The glass samples with composition TeO2-WO3-PbO-xEr(2)O(3)-yPr(6)O(11) (x = 0,30%mol, y = 0,07%mol) were synthesized and studied with respect to the light emitting features. These glasses possess high photothermal stability and resistance against crystallization during reheating. The observed fluorescent spectra cover a wide visible spectral range. Due to simultaneous presence of both Er3+ and Pr3+ ions in the glass, nearly all absorption peaks are strongly overlapping. Careful analysis of the emission spectra allowed to assign all the observed peaks. From comparison of the Er3+ and Pr3+ ions' energy level schemes, possible energy transfer processes were identified. The prepared glasses possess high quantum efficiency, which allow use them for white light emitting diodes.

引用

页码：631 / 634

页数：4

共 17 条

[1] Spectroscopic properties of Pr3+-doped Ca4GdO(BO3)3 (GdCOB) [J].