Silver nanoparticle film induced photoluminescence enhancement of near-infrared emitting PbS and PbS/CdS core/shell quantum dots: observation of different enhancement mechanisms

被引：23
作者：
Liang, H. Y. [1 ]
Zhao, H. G. [1 ]
Li, Z. P. [2 ]
Harnagea, C. [1 ]
Ma, D. L. [1 ]
机构：
[1] Univ Quebec, Inst Natl Rech Sci, 1650 Blvd Lionel Boulet, Varennes, PQ J3X 1S2, Canada
[2] Capital Normal Univ, Dept Phys, Beijing Key Lab Nanophoton & Nanostruct NPNS, Beijing 100048, Peoples R China
来源：
NANOSCALE | 2016年 / 8卷 / 09期
基金：
中国国家自然科学基金;
关键词：
RAMAN-SCATTERING; COLLOIDAL NANOCRYSTALS; ORIENTED ATTACHMENT; FLUORESCENCE; SPECTROSCOPY; RESONANCES; INTENSITY; MOLECULES; BEHAVIOR; GROWTH;
D O I：
10.1039/c5nr05906b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The photoluminescence (PL) enhancement of a Ag nanoparticle and near-infrared quantum dots (QD) plasmon/fluorophore system was investigated. Different enhancement mechanisms were obtained by tuning surface plasmon resonance of the Ag film and PL of the QDs. A maximum enhancement factor of 2.8 was achieved.
引用
收藏
页码：4882 / 4887
页数：6
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