Fig. 2: Carbonization and determination of pore sizes by gas sorption measurements. | Communications Chemistry

Fig. 2: Carbonization and determination of pore sizes by gas sorption measurements.

From: The carbonization of aromatic molecules with three-dimensional structures affords carbon materials with controlled pore sizes at the Ångstrom-level

Fig. 2

a Thermo-gravimetric analysis (TGA, 1: blue solid line, 2: red solid line) and differential thermal analysis (DTA, 1: blue dash line, 2: red dash line) under a nitrogen atmosphere (heating rate: 1 °C / min). b CO2 (25 °C) and c N2 (−196 °C) sorption isotherms of the powders of porous carbons C1 (blue circles) and C2 (red triangles). Solid symbols = adsorption; open symbols = desorption. d Micropore volume (MV) of C1 (blue circles) and C2 (red triangles) estimated by the DA method, plotted against kinetic diameter of molecular probes.

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