Extended Data Fig. 2: Porosity of COFs.
From: Synthesis of covalent organic frameworks via coupling polymerization
a, Nitrogen absorption and desorption isotherm curves of spC4-COF-1. b, Pore size distribution and pore volume of spC4-COF-1. c, Nitrogen absorption and desorption isotherm curves of spC4-COF-2. d, Pore size distribution and pore volume for spC4-COF-2. e, Nitrogen absorption and desorption isotherm curves of spC4-COF-3. f, Pore size distribution and pore volume for spC4-COF-3. In a, c, e, filled circles for absorption isotherm and open circles for desorption isotherm; in b, d and f, filled circles for pore volume and open circles for pore size distribution.
