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. 2015 Oct 1;5:14751. doi: 10.1038/srep14751

Figure 3. FESEM images of graphene prepared by HFTCVD on Cu foil substrate at various growth temperatures: (a) 750, (b) 850 and (c) 1000 °C.

Figure 3

Higher magnification of FESEM images was shown in (d–f) for 750, 850 and 1000 °C growth temperatures, respectively. The circle, triangle and rectangular shapes indicate Cu grain domain sizes, nanoparticles and wrinkles.