Enhanced D- and G-band signals from silver-dressed carbon nanotubes (presentation video)

Paul Dawson; Jose A. Duenas; William I. Milne; Olivier J. F. Martin

doi:10.1117/12.2062279

17 August 2014 Enhanced D- and G-band signals from silver-dressed carbon nanotubes (presentation video)

Paul Dawson, Jose A. Duenas, William I. Milne, Olivier J. F. Martin

Author Affiliations +

Proceedings Volume 9168, Carbon Nanotubes, Graphene, and Associated Devices VII; 91680Q (2014) https://doi.org/10.1117/12.2062279
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

In addressing the use of noble metal-dressed carbon nanotubes (CNTs) as a substrate for surface enhanced Raman scattering (SERS) we re-direct attention from interactions at the outer interface with deposited molecular species to interactions at the inner (silver-CNT) interface and the extraction of enhanced D- and G-band signals from the CNTs themselves. This offers a means for reliable, Raman-based characterization of vertically aligned CNTs at a sensitivity improved by over an order magnitude; obtaining data from individual CNTs is readily achievable. Experimental data will be interpreted with the assistance of electromagnetic modelling of the optical response.

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Paul Dawson, Jose A. Duenas, William I. Milne, and Olivier J. F. Martin "Enhanced D- and G-band signals from silver-dressed carbon nanotubes (presentation video)", Proc. SPIE 9168, Carbon Nanotubes, Graphene, and Associated Devices VII, 91680Q (17 August 2014); https://doi.org/10.1117/12.2062279

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KEYWORDS

Carbon nanotubes

Video

Interfaces

Data modeling

Electromagnetism

Modeling

Molecules

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