Photoluminescence of PbS quantum dots embedded in glasses

被引：73
|
作者：
Liu, Chao [1 ]
Heo, Jong [1 ]
Zhang, Xianghua [2 ]
Adam, Jean-Luc [2 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Mat Sci & Engn, Ctr Informat Mat, Pohang 790784, Gyeongbuk, South Korea
[2] Univ Rennes 1, Inst Chim Rennes, CNRS, Lab Verres & Ceram,UMR 6512, F-35042 Rennes, France
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2008年 / 354卷 / 2-9期
基金：
新加坡国家研究基金会;
关键词：
TEM/STEM; nanocrystals; quantum wells; wires and dots; luminescence; oxide glasses;
D O I：
10.1016/j.jnoncrysol.2007.07.069
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Optical properties and photoluminescence of PbS quantum dots (QDs) embedded in glasses were investigated. Formation and radius of PbS QDs were carefully controlled though heat-treatment and modification of host glass composition. Heat-treatment conditions for precipitation of 3-10 nm radius QDs for the tunable photoluminescence in the 1-2 mu m wavelength range were identified. Glasses doped with PbS QDs provide potential as robust materials for broadband fiber-optic amplifiers. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：618 / 623
页数：6
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