Carbon Nanofiber Synthesis within 3-Dimensional Sintered Nickel Microfibrous Matrices: Optimization of Synthesis Conditions

Figure 7

CNF growth in 98% H₂ (2% C₂H₂). Temperature: (a) 470°C, (b) 520°C, (c) 570°C, (d) 620°C, (e) 670°C, and (f) 720°C. Sample faceted at 815°C (Table 1 (Phase 3B)).

(a)

(b)

(c)

(d)

(e)

(f)