Y2O3:Eu3+ (5 mol%) with Ag nanoparticles prepared by citrate precursor

被引：34

作者：

Ferrari, J. L. ^{[1
]}

Cebim, M. A. ^{[1
]}

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

Couto dos Santos, M. A. ^{[3
]}

Davolos, M. R. ^{[1
]}

机构：

[1] UNESP Univ Estadual Paulista, Inst Quim, BR-14800970 Araraquara Sao Paulo, Brazil

[2] UNESP Univ Estadual Paulista, Fac Ciencias & Tecnol, Dept Fis Quim & Biol, BR-19060900 Sao Paulo, Brazil

[3] Univ Fed Sergipe, Dept Fis, BR-49100000 Sao Cristovao, SE, Brazil

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2010年 / 183卷 / 09期

基金：

巴西圣保罗研究基金会;

关键词：

Yttrium oxide; Europium ion; Ag nanoparticles; Luminescence spectroscopy; CHARGE-TRANSFER BAND; Y2O3-EU3+ NANOPARTICLES; LUMINESCENT PROPERTIES; RED PHOSPHOR; OPTICAL-PROPERTIES; NANOCRYSTALLINE; ENHANCEMENT; INTENSITY; NANOPHOSPHORS; FLUORESCENCE;

D O I：

10.1016/j.jssc.2010.07.010

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Y2O3:Eu3+ (5 mol% Eu3+) and Y2O3:Eu3+ (5 mol% Eu3+) containing 1 mol% of Ag nanoparticles were prepared by heat treatment of a viscous resin obtained via citrate precursor. TEM and EDS analyses showed that Y2O3:Eu3+ (5 mol% Eu3+) is formed by nanoparticles with an average size of 12 nm, which increases to 30 nm when Ag is present because the effect of metal induced crystallization occurs. Ag nanoparticles with a size of 9 nm dispersed in Y2O3:Eu3+ (5 mol% Eu3+) were obtained and the surface plasmon effect on Ag nanoparticles was observed. The emission around 612 nm assigned to the Eu3+ (D-5(0) -> F-7(2)) transition enhanced when the Ag nanoparticles were present in the Y2O3:Eu3+ luminescent material. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：2110 / 2115

页数：6

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