Obviously,the pores of the carbon come from the cores of the nanocages.With the further increase of the CVD growth time, the BET surface area and pore volume of the carbon nanocages all decrease due to the thickened carbon layers.
Obviously,the pores of the carboncome from the cores of the nanocages.With the further increase ofthe CVD growth time, the BET surface area and pore volume of thecarbon nanocages all decrease due to the thickened carbon layers.