Effect of Metal Nanoparticle Concentration on Localized Surface Plasmon Mediated Forster Resonant Energy Transfer

被引：42

作者：

Lunz, Manuela ^{[1
,2
]}

Zhang, Xia ^{[1
,2
]}

Gerard, Valerie A. ^{[2
,3
]}

Gun'ko, Yurii K. ^{[2
,3
]}

Lesnyak, Vladimir ^{[4
]}

Gaponik, Nikolai ^{[5
]}

Susha, Andrei S. ^{[6
,7
]}

Rogach, Andrey L. ^{[6
,7
]}

Bradley, A. Louise ^{[1
,2
]}

机构：

[1] Univ Dublin Trinity Coll, Sch Phys, Dublin 2, Ireland

[2] Univ Dublin Trinity Coll, CRANN, Dublin 2, Ireland

[3] Univ Dublin Trinity Coll, Sch Chem, Dublin 2, Ireland

[4] Ist Italiano Tecnol, I-16163 Genoa, Italy

[5] Tech Univ Dresden, D-01062 Dresden, Germany

[6] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China

[7] City Univ Hong Kong, CFP, Hong Kong, Hong Kong, Peoples R China

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2012年 / 116卷 / 50期

基金：

爱尔兰科学基金会;

关键词：

QUANTUM DOTS; GOLD NANOPARTICLES; SEMICONDUCTOR; NANOCRYSTALS; ENHANCEMENT; FRET; MOLECULES; SIZE;

D O I：

10.1021/jp309660s

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：

The influence of gold nanoparticle concentration on signatures of localized surface plasmon mediated Forster resonant energy transfer is investigated in a quantum dot-gold nanoparticle sandwich structure. At lower gold nanoparticle concentrations, localized surface plasmon mediated Forster resonant energy transfer enhancement of the acceptor emission is observed. At higher gold nanoparticle concentrations, the acceptor emission is reduced despite faster localized surface plasmon enhanced Forster resonant energy transfer rates being achieved. This is attributed to competition between localized surface plasmon mediated Forster resonant energy transfer and gold nanoparticle quenching effects.

引用

页码：26529 / 26534

页数：6

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