The Formation of Carbon Nanostructures via Catalytic Pyrolysis of Naphthalene under Its Autogenic Pressure

Figure 2

SEM images of products prepared at 900°C with different molar ratios of naphthalene/nickel acetate tetrahydrate. The images of high magnification are in the left-top corner of (a)–(d), respectively. (a) Pure naphthalene. (b), (c), and (d) are the images with the naphthalene/nickel acetate tetrahydrate ratios of 15 : 1, 7 : 1, and 3 : 1, respectively.

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