Table 1 Summary of enhancements, positions and FWHM of the G-, 2D- and the D-peaks for different structures

From: Highly Enhanced Raman Scattering of Graphene using Plasmonic Nano-Structure

Peak

Structure

Enhancement

Center Wavenumber (cm−1)

FWHM (cm−1)

G-peak

SiO2

—

1595

33

 

Ring

154

1595.4

38

 

Crescent #1

890

1599.5

140

 

Crescent #2

155

1596.7

60

2D-peak

SiO2

—

2693.5

34

 

Ring

73

2693.4

34

 

Crescent #1

38

2684.5

72

 

Crescent #2

31

2690.4

64

D-Peak

Ring

—

1351.6

38

 

Crescent #1

—

1363

190

 

Crescent #2

—

1361

155