Figure 2.

(a) The BET (N2) specific surface areas and the average pore diameters of the CNT electrode as a function of heat-treatment temperature and (b) The pore size distribution of the CNT electrodes. ([54], Copyright @ Willey-VCH)

Pan et al. Nanoscale Research Letters 2010 5:654-668   doi:10.1007/s11671-009-9508-2