Active molecular plasmonics: Controlling plasmon resonances with molecular switches

Yue Bing Zheng; Ying Wei Yang; Lasse Jensen; Lei Fang; Bala Krishna Juluri; Amar H. Flood; Paul S. Weiss; J. Fraser Stoddart; Tony Jun Huang

doi:10.1021/n1803539g

Active molecular plasmonics: Controlling plasmon resonances with molecular switches

Yue Bing Zheng, Ying Wei Yang, Lasse Jensen, Lei Fang, Bala Krishna Juluri, Amar H. Flood, Paul S. Weiss, J. Fraser Stoddart, Tony Jun Huang

Chemistry

Research output: Contribution to journal › Article › peer-review

207 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	819-825
Number of pages	7
Journal	Nano letters
Volume	9
Issue number	2
DOIs	https://doi.org/10.1021/n1803539g
State	Published - Feb 11 2009

ASJC Scopus subject areas

Condensed Matter Physics
Mechanical Engineering
Bioengineering
General Chemistry
General Materials Science

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abstract = "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.",

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AU - Zheng, Yue Bing

AU - Yang, Ying Wei

AU - Jensen, Lasse

AU - Fang, Lei

AU - Juluri, Bala Krishna

AU - Flood, Amar H.

AU - Weiss, Paul S.

AU - Stoddart, J. Fraser

AU - Huang, Tony Jun

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N2 - 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.

AB - 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.

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Active molecular plasmonics: Controlling plasmon resonances with molecular switches

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