Nerea Zabala,1,2,3 Olalla Pérez-González,1,2,3 Peter Nordlander,4 Javier Aizpurua2,3
1Univ. of the Basque Country UPV/EHU (Spain) 2Donostia International Physics Ctr. (Spain) 3Ctr. de Fisica de Materiales (Spain) 4Rice Univ. (United States)
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In this work we study how plasmon modes of gold dimers are affected by a molecular bridge connecting both
particles. Different models for the linker are considered to envisage the relation between the spectral changes
observed in the extinction spectra and the electronic transport through the molecules. Depending on the size
and nature of the molecular linker two different modes, known as BDP (Bonding Dimer Plasmon) and CTP
(Charge Transfer Plasmon), are excited. Furthermore, when the molecular linker has an excitonic resonance,
new spectral features emerge due to the plasmon-exciton coupling.
Nerea Zabala,Olalla Pérez-González,Peter Nordlander, andJavier Aizpurua
"Coupling of nanoparticle plasmons with molecular linkers", Proc. SPIE 8096, Plasmonics: Metallic Nanostructures and Their Optical Properties IX, 80961L (20 September 2011); https://doi.org/10.1117/12.893776
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Nerea Zabala, Olalla Pérez-González, Peter Nordlander, Javier Aizpurua, "Coupling of nanoparticle plasmons with molecular linkers," Proc. SPIE 8096, Plasmonics: Metallic Nanostructures and Their Optical Properties IX, 80961L (20 September 2011); https://doi.org/10.1117/12.893776