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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 size^d	O content
Sample	(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

^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 = 4V_total/S_BET.

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