Quantitative Analysis of Localized Surface Plasmons Based on Molecular Probing

被引：73

作者：

Deeb, Claire ^{[1
]}

Bachelot, Renaud ^{[1
]}

Plain, Jerome ^{[1
]}

Baudrion, Anne-Laure ^{[1
]}

Jradi, Safi ^{[1
]}

Bouhelier, Alexandre ^{[2
]}

Soppera, Olivier ^{[3
]}

Jain, Prashant K. ^{[4
,5
]}

Huang, Libai ^{[6
]}

Ecoffet, Carole ^{[3
]}

Balan, Lavinia ^{[3
]}

Royer, Pascal ^{[1
]}

机构：

[1] Univ Technol Troyes, LNIO, ICD, CNRS,UMR 6279, Troyes, France

[2] Univ Bourgogne, CNRS, UMR 5209, Lab Interdisciplinaire Carnot Bourgogne, Dijon, France

[3] Univ Haute Alsace, Inst Sci Mat Mulhouse, CNRS, LCR 7228, Mulhouse, France

[4] Univ Calif Berkeley, Miller Inst Basic Res Sci, Berkeley, CA 94720 USA

[5] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[6] Univ Notre Dame, Radiat Lab, Notre Dame, IN 46556 USA

来源：

ACS NANO | 2010年 / 4卷 / 08期

关键词：

near-field optics; molecular probes; localized surface plasmon; quantitative analysis; nanoscale photopolymerization; NEAR-FIELD; PHOTOPOLYMERIZATION; LIGHT;

D O I：

10.1021/nn101017b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We report on the quantitative characterization of the plasmonic optical near-field of a single silver nanoparticle. Our approach relies on nanoscale molecular molding of the confined electromagnetic field by photoactivated molecules. We were able to directly image the dipolar profile of the near-field distribution with a resolution better than 10 nm and to quantify the near-field depth and its enhancement factor. A single nanoparticle spectral signature was also assessed. This quantitative characterization constitutes a prerequisite for developing nanophotonic applications.

引用

页码：4579 / 4586

页数：8

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