Gain and Raman line-broadening with graphene coated diamond-shape nano-antennas

Document Type

Article

Publication Date

10-7-2015

Abstract

Using Surface Enhanced Raman Scattering (SERS), we report on intensity-dependent broadening in graphene-deposited broad-band antennas. The antenna gain curve includes both the incident frequency and some of the scattered mode frequencies. By comparing antennas with various gaps and types (bow-tie vs. diamond-shape antennas) we make the case that the line broadening did not originate from strain, thermal or surface potential. Strain, if present, further shifts and broadens those Raman lines that are included within the antenna gain curve.

Identifier

84942111971 (Scopus)

Publication Title

Nanoscale

External Full Text Location

https://doi.org/10.1039/c5nr03893f

e-ISSN

20403372

ISSN

20403364

First Page

15321

Last Page

15331

Issue

37

Volume

7

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