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

Figure 5

Synthesized CNF for effects of pretreatment on foil: (a) as-received, (b) reduced at 715°C for 15 min, (c) reduced at 815°C for 120 min, (d) thermal faceting at 515°C, (e) thermal faceting at 715°C, and (f) thermal faceting at 815°C. Synthesis conditions: 2% C₂H₂, 10% H₂, 88% N₂, and 470°C (Table 1 (Phase 1)).

(a)

(b)

(c)

(d)

(e)

(f)