Coupling of nanoparticle plasmons with molecular linkers

Nerea Zabala; Olalla Pérez-González; Peter Nordlander; Javier Aizpurua

doi:10.1117/12.893776

20 September 2011 Coupling of nanoparticle plasmons with molecular linkers

Nerea Zabala, Olalla Pérez-González, Peter Nordlander, Javier Aizpurua

Proceedings Volume 8096, Plasmonics: Metallic Nanostructures and Their Optical Properties IX; 80961L (2011) https://doi.org/10.1117/12.893776
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

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.

Citation Download Citation

Nerea Zabala, Olalla Pérez-González, Peter Nordlander, and 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

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