Good optical performances of Eu3+/Dy3+/Ag nanoparticles co-doped phosphate glasses induced by plasmonic effects

被引：37

作者：

Saad, Moufida ^{[1
]}

Elhouichet, Habib ^{[1
,2
]}

机构：

[1] Univ Tunis Manar, Sci Fac Tunis, Lab Caracterisat Applicat & Modelisat Mate Riaux, Tunis 2092, Tunisia

[2] Univ Bisha, Coll Sci, Phys Dept, Bisha, Saudi Arabia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 806卷

关键词：

Phosphate glasses; Rare earth doping; Surface plasmon resonance; Energy transfer; White light emission; WHITE-LIGHT; SPECTROSCOPIC PROPERTIES; AG NANOPARTICLES; TELLURITE GLASS; PHOTOLUMINESCENCE PROPERTIES; FLUOROPHOSPHATE GLASSES; LUMINESCENCE PROPERTIES; SILVER NANOPARTICLES; ENERGY-TRANSFER; REDDISH-ORANGE;

D O I：

10.1016/j.jallcom.2019.06.353

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：

Sodium zinc phosphate glasses containing silver nanoparticles (Ag NPs), Eu3+ and Dy3+ ions, have been prepared using the melt-quenching method. The structure, luminescence and spectroscopic properties were evaluated through experimental and theoretical studies. The results indicate that a dual mode energy transfer from Ag NPs and Dy3+ ions to Eu3+ ions leads to the enhancement of the emission bands related to Eu3+ ions in addition to the local field effect of the silver NPs. Moreover, the excited Dy3+ ions exchange energy with Eu3+ in the presence of Ag NPs and Ag nanoclusters (Ag NCs) produces white color with varying tints. The present systematic study provides useful information for the development of light emitting diodes (LEDs) devices. (C) 2019 Published by Elsevier B.V.

引用

页码：1403 / 1409

页数：7

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