Research Article
Influence of the Total Gas Flow at Different Reaction Times for CVD-Graphene Synthesis on Polycrystalline Nickel
Figure 4
Optical microscopy images: total gas flow during reaction step of (a) 130 NmL/min, (b) 100 NmL/min, and (c) 80 NmL/min (synthesis conditions: 980°C, 15 min–30 s reaction time, CH4/H2 = 0.07 v/v, 130–80 NmL (CH4+H2)/min).
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| (b) |
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