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Table 1 Specific surface areas, pore structure parameters, and oxygen contents of CDCs

From: Oxygen-containing functional group-facilitated CO2 capture by carbide-derived carbons

Sample S BET a V micro b V total c Pore sized O content
(m2 g−1) (cm3 g−1) (cm3 g−1) (nm) EA (wt%) XPS (wt%) EDS (wt%)
Pristine CDC 1,216 0.59 0.65 2.13 17.6 8.7 6.8
CDC-50 907 0.43 0.47 2.06 36.7 14.6 20.3
CDC-50-HR 1,115 0.51 0.58 2.08 11.2 10.2 10.3
CDC-80 449 0.22 0.24 2.15 41.5 15.7 29.8
CDC-80-HR 497 0.22 0.27 2.21 20.5 14.2 16.0
  1. aBET specific surface area. bMicropore volumes calculated by the t-plot method. cSingle-point total pore volume measured at p/p0 = 0.995. dPore size = 4Vtotal/SBET.