17 August 2014 Enhanced D- and G-band signals from silver-dressed carbon nanotubes (presentation video)
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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, 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); doi: 10.1117/12.2062279; https://doi.org/10.1117/12.2062279
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