Controlled Geometry Formation of the Carbon Coils by the Substrate Pretreatment

Figure 3

FESEM images for the surface morphologies of the samples after 10 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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