Tunable color temperature of Ce3+/Eu2+, 3+ co-doped low silica aluminosilicate glasses for white lighting

被引：40

作者：

Rocha, A. C. P. ^{[1
]}

Andrade, L. H. C. ^{[1
]}

Lima, S. M. ^{[1
]}

Farias, A. M. ^{[2
]}

Bento, A. C. ^{[2
]}

Baesso, M. L. ^{[2
]}

Guyot, Y. ^{[3
]}

Boulon, G. ^{[3
]}

机构：

[1] Univ Estadual Mato Grosso Sul UEMS, Grp Espectroscopia Opt & Fototerm, BR-79804970 Dourados, MS, Brazil

[2] Univ Estadual Maringa, Dept Fis, BR-87020900 Maringa, Parana, Brazil

[3] Univ Lyon 1, Lab Phys Chim Mat Luminescents, UMR CNRS 69622 5620, F-69622 Villeurbanne, France

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 09期

关键词：

EMITTING-DIODES; PHOTOLUMINESCENCE PROPERTIES; PHOSPHORS; EU2+; EFFICIENCY; CE3+;

D O I：

10.1364/OE.20.010034

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we report results of tunable lighting in Ce3+/Eu-2+,Eu- 3+ doped low silica calcium aluminosilicate glass. Optical spectroscopy experiments indicate that there is a red color compensation from Eu2+ and Eu3+ to the green emission from Ce3+, resulting in a broad and tunable emission spectra depending on the excitation wavelength. This result analysed in the CIE 1976 color diagram shows a close distance from the Plank emission and a correlated color temperature, varying from 5200 to 3500K. This indicates that our system can be easily excited by GaN based blue LEDs, being an interesting phosphor for white lighting devices. (C) 2012 Optical Society of America

引用

页码：10034 / 10041

页数：8

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