Figure 7.

Raman analysis. Spectra of graphene obtained by sonication in PhTES and GPTMS from 5 wt.% of the initial graphite compared with graphite (a). 2D peaks evaluation for this systems (b).

Nuvoli et al. Nanoscale Research Letters 2012 7:674   doi:10.1186/1556-276X-7-674
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