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. 2017 Feb 16;4(8):1600430. doi: 10.1002/advs.201600430

Figure 2.

Figure 2

a) Optical conductivities of pristine monolayer and bilayer graphene, doped monolayer and bilayer graphene and fluorographene. (Inset) enlarged spectral in the low energy region. Reproduced with permission.[52] Copyright 2012, Nature Publishing Group. b) Plasmonic propagation length and SPP wavelength of graphene and gold. Reproduced with permission.[53] Copyright 2012, Nature Publishing Group. c) Surface plasmon loss spectrum of graphene in different momentum transfer condition. d) Plasmon dispersion of graphene and free 2D electron gas at the same electron density. (Inset) the band structure of graphene. c,d) Reproduced with permission.[14] Copyright 2008, APS. e) Angle‐resolved photoemission spectra of doped graphene on SiC and schematic view of interacting and non‐interacting Dirac energy spectra. Reproduced with permission.[63] Copyright 2010, AAAS.