Table 2 Analysis of the position of the D and G-band in the Raman spectra for the carbonised lignin fibres and the full width at high maximum (FWHM) for these bands along with their intensity and area ratios.

From: Improved procedure for electro-spinning and carbonisation of neat solvent-fractionated softwood Kraft lignin

Sample

D-band (cm-1)

G-band (cm−1)

Width (FWHM) (cm−1)

ID/IG

AD/AG

D-band

G-band

1000 °C

1352.91

1597.02

164.52

135.18

0.82

0.96

1200 °C

1348.61

1597.02

146.19

89.85

0.91

1.07

1500 °C

1342.88

1583.11

107.59

77.97

1.04

1.13

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