fig1
Figure 1. (A and B) Schematic diagram of Preparing DL-COFs structures with dual for gas adsorption; (C) Adsorption isotherms for H2, CO2, and CH4 on DL-COF-1; (D) DL-COF-2. Reproduced from ref[75], with permission from the American Chemical Society, Copyright 2016. COFs: Covalent organic frameworks.
