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- Title
Scattered coupling between two wrinkled graphene nanoribbons analyzed by boundary element method.
- Authors
Wang, Shuo; Hu, Bin; Liu, Weiguang; Liu, Juan
- Abstract
In this paper, we propose a two-dimensional (2D) boundary element method (BEM) to explore the coupling properties of two distorted graphene nanoribbons (GNRs) with wrinkles. From the calculation results, it is found that the resonant wavelengths are redshifted compared with a single GNR, and the scattering intensity is greatly increased, due to the coupling between the two GNRs. In the non-degenerate structure, the coupling resonance modes of the two GNRs are the superposition of the resonance modes of every single GNR, and the resonant wavelength and scattering intensity of different modes change differently with the gap between the two GNRs and their heights. When the coupling effect becomes stronger, some modes will split. We explain the results through the charge and current distribution of the GNRs. This work will help to understand the coupling mechanism of surface plasmon resonances of GNRs.
- Subjects
BOUNDARY element methods; NANORIBBONS; SURFACE plasmon resonance; GRAPHENE; CURRENT distribution
- Publication
Modern Physics Letters B, 2021, Vol 35, Issue 18, pN.PAG
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984921503048