Luminescence properties of PbF2:Yb-Er nanoparticles synthesized by two different original routes

被引：14

作者：

Labeguerie, J. ^{[2
]}

Dantelle, G. ^{[1
]}

Gredin, P. ^{[2
]}

Mortier, M. ^{[1
]}

机构：

[1] ENSCP, LCMCP, UMR 7574, F-75231 Paris 05, France

[2] UPMC, LCMCP, UMR 7574, F-75252 Paris 05, France

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 451卷 / 1-2期

关键词：

nanostructured materials; optical materials; rare-earth alloys and compounds; chemical synthesis; nanofabrication; NANOCRYSTALS; CERAMICS;

D O I：

10.1016/j.jallcom.2007.04.111

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：

PbF2:Yb-Er nanoparticles were synthesized by two different ways: a pseudo-micellar route and the selective dissolution of the oxide glassy matrix of an oxyfluoride composite glass-ceramic obtained by Yb-Er induced nucleation of PbF2 inside the GeO2:PbO:PbF2 glass. Both nanoparticles exhibit strong visible up-conversion fluorescence after infrared excitation. S-4(3/2) level lifetime of Er3+ ions reflects the high specific surface of the particles and their ability to adsorb quenching centres. (c) 2007 Elsevier B.V. All rights reserved.

引用

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页码：563 / 566

页数：4

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