Catalytic Chemical Vapor Deposition of Methane to Carbon Nanotubes: Copper Promoted Effect of Ni/MgO Catalysts

<table>H<sub>2</sub>-TPR profiles of Ni/MgO catalysts with various calcination temperatures. (a) 400°C; (b) 450°C; and (c) 500°C.</table>

Journal of Nanotechnology

Figure 1: Catalytic Chemical Vapor Deposition of Methane to Carbon Nanotubes: Copper Promoted Effect of Ni/MgO Catalysts 