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. 2016 Apr 11;11(4):e0152699. doi: 10.1371/journal.pone.0152699

Fig 7. Raman spectra of pure GT and the exfoliated G powder after heat treatment.

Fig 7

(a) Raman spectra of (top) pure GT powder and (bottom) the G powder produced after heat treatment (G); b) The magnified 2D bands of (top) G and (bottom) GT.