Infrared spectroscopy with tunable graphene plasmons (Presentation Recording)

Andrea Marini; Iván Silveiro; Javier Garcia de Abajo

doi:10.1117/12.2190264

5 October 2015 Infrared spectroscopy with tunable graphene plasmons (Presentation Recording)

Andrea Marini, Iván Silveiro, Javier Garcia de Abajo

Proceedings Volume 9544, Metamaterials, Metadevices, and Metasystems 2015; 95440W (2015) https://doi.org/10.1117/12.2190264
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

We propose the exploitation of plasmons in graphene nanoislands as a promising platform for sensing through surface-enhanced infrared absorption and Raman scattering. Our calculations indicate that the large electrical tunability of graphene enables the identification of molecular resonances by recording broadband absorption or inelastic scattering, replacing wavelength-resolved light collection by a signal integrated over photon energy as a function of the graphene doping level. Our results pave the way for the development of novel cost-effective sensors capable of identifying spectral signatures of molecules without using spectrometers and laser sources.

Conference Presentation

Citation Download Citation

Andrea Marini, Iván Silveiro, and Javier Garcia de Abajo "Infrared spectroscopy with tunable graphene plasmons (Presentation Recording)", Proc. SPIE 9544, Metamaterials, Metadevices, and Metasystems 2015, 95440W (5 October 2015); https://doi.org/10.1117/12.2190264

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