Active Molecular Plasmonics: Controlling Plasmon Resonances with Molecular Switches

被引：192

作者：

Zheng, Yue Bing ^{[2
]}

Yang, Ying-Wei ^{[3
,4
]}

Jensen, Lasse ^{[5
,6
]}

Fang, Lei ^{[1
]}

Juluri, Bala Krishna ^{[2
]}

Flood, Amar H. ^{[7
]}

Weiss, Paul S. ^{[5
,6
]}

Stoddart, J. Fraser ^{[1
,3
,4
]}

Huang, Tony Jun ^{[2
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[2] Penn State Univ, Dept Engn Sci & Mech, University Pk, PA 16802 USA

[3] Univ Calif Los Angeles, Calif Nanosyst Inst, Los Angeles, CA 90095 USA

[4] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[5] Penn State Univ, Dept Chem, University Pk, PA 16802 USA

[6] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[7] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

来源：

NANO LETTERS | 2009年 / 9卷 / 02期

基金：

美国国家科学基金会;

关键词：

NANOSCALE; ARRAYS; LIGHT; GOLD; MODULATION; DYNAMICS; MACHINE; RULER;

D O I：

10.1021/nl803539g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A gold nanodisk array, coated with bistable, redox-controllable [2]rotaxane molecules, when exposed to chemical oxidants and reductants, undergoes switching of its plasmonic properties reversibly. By contrast, (i) bare gold nanodisks and (ii) disks coated with a redox-active, but mechanically inert, control compound do not display surface-plasmon-based switching. Along with calculations based on time-dependent density functional theory, these experimental observations suggest that the nanoscale movements within surface-bound "molecular machines" can be used as the active components in plasmonic devices.

引用

页码：819 / 825

页数：7

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