Direct Synthesis of Porous Multilayer Graphene Materials Using Thermal Plasma at Low Pressure

Figure 10

Specific surface area as a function of the pore radius. (1) Pressure is 710 Torr, plasma gas is helium, and carbon source is propane-butane. (2) Pressure is 710 Torr, plasma gas is helium, and carbon source is methane. (3) Pressure is 350 Torr, plasma gas is helium, and carbon source is acetylene.