Fig. 2
From: Carbon dioxide capture and efficient fixation in a dynamic porous coordination polymer

Isotherms and isosteric heats of CO2 sorption. a CO2 adsorption isotherms for Zn-DPA at 195 K (black), 273 K (blue), and 293 K (purple); stp is standard temperature and pressure. b Isosteric heats of CO2 adsorption for Zn-DPA