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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Carbon N Y. 2012 Nov 21;54:192–200. doi: 10.1016/j.carbon.2012.11.025

Figure 3.

Figure 3

Optical images of the selected area of CVD-grown graphene on Cu substrate (a) before and (b) after 8 days of chemical treatment with TMST and CsF. The yellow dashed line encircled area shows the place from which we collected the Raman spectra shown in the Figure 4.