Long-range plasmophore rulers

Gilles R. Bourret; Tuncay Ozel; Martin Blaber; Chad M. Shade; George C. Schatz; Chad A. Mirkin

doi:10.1021/nl400884j

Long-range plasmophore rulers

Gilles R. Bourret, Tuncay Ozel, Martin Blaber, Chad M. Shade, George C. Schatz^*, Chad A. Mirkin

^*Corresponding author for this work

Chemistry

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

23 Scopus citations

Abstract

Using on-wire lithography, we studied the emission properties of nanostructures made of a polythiophene disk separated by fixed nanoscopic distances from a plasmonic gold nanorod. The intense plasmonic field generated by the nanorod modifies the shape of the polythiophene emission spectrum, and the strong distance dependence of this modulation forms the basis for a new type of "plasmophore ruler". Simulations using the discrete dipole approximation (DDA) quantitatively support our experimental results. Importantly, this plasmophore ruler is independent of signal intensity and is effective up to 100 nm, which is more than two times larger than any reported value for rulers based on photoluminescence processes.

Original language	English (US)
Pages (from-to)	2270-2275
Number of pages	6
Journal	Nano letters
Volume	13
Issue number	5
DOIs	https://doi.org/10.1021/nl400884j
State	Published - May 8 2013

Keywords

Plasmophore
conjugated polymer
gold nanorod
localized surface plasmon
on-wire lithography
ruler

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/nl400884j

Cite this

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title = "Long-range plasmophore rulers",

abstract = "Using on-wire lithography, we studied the emission properties of nanostructures made of a polythiophene disk separated by fixed nanoscopic distances from a plasmonic gold nanorod. The intense plasmonic field generated by the nanorod modifies the shape of the polythiophene emission spectrum, and the strong distance dependence of this modulation forms the basis for a new type of {"}plasmophore ruler{"}. Simulations using the discrete dipole approximation (DDA) quantitatively support our experimental results. Importantly, this plasmophore ruler is independent of signal intensity and is effective up to 100 nm, which is more than two times larger than any reported value for rulers based on photoluminescence processes.",

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T1 - Long-range plasmophore rulers

AU - Bourret, Gilles R.

AU - Ozel, Tuncay

AU - Blaber, Martin

AU - Shade, Chad M.

AU - Schatz, George C.

AU - Mirkin, Chad A.

PY - 2013/5/8

Y1 - 2013/5/8

N2 - Using on-wire lithography, we studied the emission properties of nanostructures made of a polythiophene disk separated by fixed nanoscopic distances from a plasmonic gold nanorod. The intense plasmonic field generated by the nanorod modifies the shape of the polythiophene emission spectrum, and the strong distance dependence of this modulation forms the basis for a new type of "plasmophore ruler". Simulations using the discrete dipole approximation (DDA) quantitatively support our experimental results. Importantly, this plasmophore ruler is independent of signal intensity and is effective up to 100 nm, which is more than two times larger than any reported value for rulers based on photoluminescence processes.

AB - Using on-wire lithography, we studied the emission properties of nanostructures made of a polythiophene disk separated by fixed nanoscopic distances from a plasmonic gold nanorod. The intense plasmonic field generated by the nanorod modifies the shape of the polythiophene emission spectrum, and the strong distance dependence of this modulation forms the basis for a new type of "plasmophore ruler". Simulations using the discrete dipole approximation (DDA) quantitatively support our experimental results. Importantly, this plasmophore ruler is independent of signal intensity and is effective up to 100 nm, which is more than two times larger than any reported value for rulers based on photoluminescence processes.

KW - Plasmophore

KW - conjugated polymer

KW - gold nanorod

KW - localized surface plasmon

KW - on-wire lithography

KW - ruler

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Long-range plasmophore rulers

Abstract

Keywords

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