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

Figure 3

X-ray diffraction patterns of products prepared at 900°C with different molar ratios of naphthalene/nickel acetate tetrahydrate. (a) Pure naphthalene. (b) and (c) are the samples with the naphthalene/nickel acetate tetrahydrate ratios of 7 : 1 and 3 : 1, respectively.