Up-conversion emission in rare earth-doped Y2Ti2O7 sol-gel thin films

被引：46
作者：
Jenouvrier, P
Boccardi, G
Fick, J
Jurdyc, AM
Langlet, M
机构：
[1] ENSPG, CNRS, INPG, UMR 5328,Lab Mat & Genie Phys, F-38402 St Martin Dheres, France
[2] UJF, CNRS, INPG,ENSERG, Inst Microelect Electromagnetisme & Photon,UMR 51, F-38016 Grenoble, France
[3] Univ Grenoble 1, CNRS, UMR 5588, Spectrometrie Phys Lab, F-38402 St Martin Dheres, France
[4] Univ Lyon 1, CNRS, UMR 5620, Lab Physicochim Mat Luminescents, F-69622 Villeurbanne, France
来源：
JOURNAL OF LUMINESCENCE | 2005年 / 113卷 / 3-4期
关键词：
rare earth; photoluminescence;
D O I：
10.1016/j.jlumin.2004.10.025
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Yttrium titanate (YTO) thin films doped with rare earth elements have been deposited using the aerosol-gel process. The up-conversion emission (UPE) of films doped with erbium and/or thulium has been studied with respect to the film crystallization degree and rare earth concentration. The effects of ytterbium codoping have been considered as well. Mechanisms that control UPE of YTO films are discussed with respect to the experimental conditions. It is shown that films, which selectively emit in the blue ((1)G(4) -> H-3(6) transition of thulium ions), green (H-2(11/2) -> I-4(15/2) and S-4(3/2) -> I-4(15)/(2) transitions of erbium ions), or red (F-4(9/2) -> I-4(15)/(2) transition of erbium ions), can readily be achieved. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：291 / 300
页数：10
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