Controlled Geometry Formation of the Carbon Coils by the Substrate Pretreatment

Figure 6

Magnified FESEM images for the surface morphologies of the samples after 60 minutes deposition reaction for (a) sample A, (b) sample B, (c) sample C, (d) sample D, (e) sample E, (f) sample F, (g) sample G, (h) sample H, (i) sample I, and (j) sample J.

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