Domain Size Calculator for Graphene using Raman Spectroscopy
Intensity D peak =
Intensity G peak =
Ratio D/G =
Baseline =
Red laser (632.72 nm)
Green laser (514.5 nm)
Blue laser (472.817 nm)
Intensities measured:
Peak Area
Peak-to-peak
C
lambda
=
Domain size (L
dom
) =
Intensity higher shift 2D (i2D-3D) peak =
Intensity lower shift 2D (i2D-2D) peak =
Ratio i2D-3D/i2D-2D =
Baseline =
Out-of-plane lattice constant C =
Out-of-plane domain size (Lc
dom
) =
I
G
/ I
D
=C
lambda
L
dom
C
lambda
=
(for peak-to-peak intensities, lambda=
nm);
C
lambda
= 2.4x10
-10
* lambda
4
(for peak-area intensities);
References:
A.C. Ferrari, Sol. St. Comm. 143 (2007), 47.
M.A. Pimenta et al., Phys. Chem. Chem. 9 (2007), 1276.
M.M. Lucchese, et al. Carbon 48 (2010) 1592.
L.M. Malard, M.A. Pimenta, G. Dresselhaus, M.S. Dresselhaus, Physics Reports 473 (2009) 51-87.
M.J. Matthews, M.A. Pimenta. G. Dresselhaus, M.S. Dresselhaus, M. Endo, Phys. Rev. B 59 (1999) R6585.
main