Fig. 2: Comparison of properties and pollutant degradation of COFs.

a Pore distribution of three COFs. b UV-vis DRS pattern of three COFs. c, d Adsorption kinetics and isotherms recorded for LEV onto three COFs. e Photocatalytic activity for LEV degradation by different COF under visible-light illumination. f Photocatalytic performance of COFs with different scavengers under equivalent reaction conditions. g–i Contact angles of BTT-DAB-COF, BTT-DADP-COF, and BTT-DATP-COF.