Figure 5

(a) is the normalized mean Raman spectrum of HC/pSS (the shaded area represents the standard deviation of the mean). (b) is the normalized mean Raman spectrum of HC/DN (the shaded area represents the standard deviation of the mean).

(a) is the normalized mean Raman spectrum of HC/pSS (the shaded area represents the standard deviation of the mean). (b) is the normalized mean Raman spectrum of HC/DN (the shaded area represents the standard deviation of the mean).