Table 1. Physical properties for conjugated microporous polymers.

CMPs	SBET (m2 g−1)*	Smicro (m2 g−1)†	Vtot (cm3 g−1)‡	Vmicro (cm3 g−1)§	Mcalc (wt. %)||	MICP (wt. %)¶	CO2 uptake (mg g−1)#
CMP	772	283	1.21	0.117	0	0	71.0
Co-CMP	965	293	2.81	0.419	8.20	7.19	79.3
Al-CMP	798	315	1.41	0.298	4.01	3.46	76.5

Further details are provided in Fig. 4b and Supplementary Fig. S4.

^*Brunauer–Emmett–Teller (BET) surface area calculated over the pressure range (P/P₀) 0.05–0.3.

^†Micropore surface area calculated from the N₂ adsorption isotherm using the t-plot method.

^‡Total pore volume at P/P₀=0.99.

^§Micropore volume calculated using the t-plot method.

^||Data calculated based on each monomer unit.

^¶Data obtained with inductively coupled plasma-optical emission spectroscopy (ICP–OES).

^#Volumetric CO₂ adsorption–desorption isotherms measured for Co-CMP and Al-CMP at 298 K.