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Título:	Nanooptics of molecular-shunted plasmonic nanojunctions
Autor:	Benz, Felix; Tserkezis, Christos CSIC ORCID; Herrmann, Lars O.; Sigle, Daniel O.; Aizpurua, Javier CSIC ORCID ; Baumberg, Jeremy J.
Palabras clave:	Surface-enhanced Raman spectroscopy Molecular conductivity Plasmonics Nanophotonics Plasmonic coupling Sensing
Fecha de publicación:	2015
Editor:	American Chemical Society
Citación:	Nano Letters 15(1): 669-674 (2015)
Resumen:	Gold nanoparticles are separated above a planar gold film by 1.1 nm thick self-assembled molecular monolayers of different conductivities. Incremental replacement of the nonconductive molecules with a chemically equivalent conductive version differing by only one atom produces a strong 50 nm blue-shift of the coupled plasmon. With modeling this gives a conductance of 0.17G0 per biphenyl-4,4′-dithiol molecule and a total conductance across the plasmonic junction of 30G0. Our approach provides a reliable tool quantifying the number of molecules in each plasmonic hotspot, here <200.
Descripción:	This is an open access article published under a Creative Commons Attribution (CC-BY) License.-- et al.
Versión del editor:	http://dx.doi.org/10.1021/nl5041786
URI:	http://hdl.handle.net/10261/136551
DOI:	10.1021/nl5041786
Identificadores:	doi: 10.1021/nl5041786 e-issn: 1530-6992 issn: 1530-6984
Aparece en las colecciones:	(CFM) Comunicaciones congresos

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Nanooptics of molecular-shunted plasmonic nanojunctions