Electrochemical plasmonic sensors

Author(s) Dahlin, Andreas B., Dielacher, Bernd, Rajendran, Prayanka, Sugihara, Kaori, Sannomiya, Takumi, Zenobi-Wong, Marcy, Vörös, Janos
Publication Type Journal Items, Publication Status: Published
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Title Electrochemical plasmonic sensors
Author(s) Dahlin, Andreas B.
Dielacher, Bernd
Rajendran, Prayanka
Sugihara, Kaori
Sannomiya, Takumi
Zenobi-Wong, Marcy
Vörös, Janos
Journal or Series Title Analytical and bioanalytical chemistry
Volume Number 402
Issue Number 5
Start Page 1773
End Page 1784
ISSN 1618-2642
1618-2650
Publisher Springer
Publication Place Berlin
Publication Date 2012-02
Keyword(s) Plasmon
Electrochemistry
Nanostructure
Sensor
Electrical
Optical
Abstract The enormous progress of nanotechnology during the last decade has made it possible to fabricate a great variety of nanostructures. On the nanoscale, metals exhibit special electrical and optical properties, which can be utilized for novel applications. In particular, plasmonic sensors including both the established technique of surface plasmon resonance and more recent nanoplasmonic sensors, have recently attracted much attention. However, some of the simplest and most successful sensors, such as the glucose biosensor, are based on electrical readout. In this review we describe the implementation of electrochemistry with plasmonic nanostructures for combined electrical and optical signal transduction. We highlight results from different types of metallic nanostructures such as nanoparticles, nanowires, nanoholes or simply films of nanoscale thickness. We briefly give an overview of their optical properties and discuss implementation of electrochemical methods. In particular, we review studies on how electrochemical potentials influence the plasmon resonances in different nanostructures, as this type of fundamental understanding is necessary for successful combination of the methods. Although several combined platforms exist, many are not yet in use as sensors partly because of the complicated effects from electrochemical potentials on plasmon resonances. Yet, there are clearly promising aspects of these sensor combinations and we conclude this review by discussing the advantages of synchronized electrical and optical readout, illustrating the versatility of these technologies.
DOI 10.1007/s00216-011-5404-6
Additional Notes Published in the special issue Surface Architectures for Analytical Purposes with guest editors Luigia Sabbatini and Luisa Torsi
Document Type Review Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03949
03741
Organisational Unit(s)
NEBIS System Number 004239219
Source Database ID FORM-1325693790
WOS-000299840700005
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@article{Dhln2012,
author = "Dahlin, Andreas B. and Dielacher, Bernd and Rajendran, Prayanka and Sugihara, Kaori and Sannomiya, Takumi and Zenobi-Wong, Marcy and V{\"{o}}r{\"{o}}s, Janos",
title = "{E}lectrochemical plasmonic sensors",
journal = "Analytical and bioanalytical chemistry",
year = 2012,
volume = "402",
number = "5",
pages = "1773--1784",
month = feb,
}


E-Citations record created: Wed, 04 Jan 2012, 16:16:39 CET