Origin of enhancement in Raman scattering from Ag-dressed carbon-nanotube antennas: experiment and modelling.


The D- and G-band Raman signals from random arrays of vertically aligned, multi-walled carbon nanotubes are significantly enhanced (up to ∼14×) while the signal from the underlying Si substrate is simultaneously attenuated (up to ∼6×) when the nanotubes are dressed, either capped or coated, with Ag. These Ag-induced counter-changes originate with the… (More)
DOI: 10.1039/c7cp06416k


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