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Issue 9, 2011
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Plasmonic properties of silver nanostructures coated with an amorphous silicon–carbon alloy and their applications for sensitive sensing of DNA hybridization

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Abstract

The use of an amorphous silicon–carbon alloy overcoating on silver nanostructures in a localized surface plasmon resonance (LSPR) sensing platform allows for decreasing the detection limit by an order of magnitude as compared to sensors based on gold nanostructures deposited on glass. In addition, silver based multilayer structures show a distinct plasmonic behaviour as compared to gold based nanostructures, which provides the sensor with an increased short-range sensitivity and a decreased long-range sensitivity.

Graphical abstract: Plasmonic properties of silver nanostructures coated with an amorphous silicon–carbon alloy and their applications for sensitive sensing of DNA hybridization

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Publication details

The article was received on 20 Dec 2010, accepted on 24 Feb 2011 and first published on 24 Mar 2011


Article type: Paper
DOI: 10.1039/C0AN01022G
Citation: Analyst, 2011,136, 1859-1866
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    Plasmonic properties of silver nanostructures coated with an amorphous silicon–carbon alloy and their applications for sensitive sensing of DNA hybridization

    L. Touahir, E. Galopin, R. Boukherroub, A. Chantal Gouget-Laemmel, J. Chazalviel, F. Ozanam, O. Saison, A. Akjouj, Y. Pennec, B. Djafari-Rouhani and S. Szunerits, Analyst, 2011, 136, 1859
    DOI: 10.1039/C0AN01022G

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