Fig. 7: aPOPs with group-14 elements.
From: Amorphous porous organic polymers containing main group elements
a Synthesis of C-/Si-/Ge-aPOPs containing various tetrahedral building blocks10,60. b Structure model of C-P1 (adapted with permission from ref. 10 © 2009 John Wiley and Sons). c Chemical structure of aPOPs with various topological C-/Si-/Ge-building blocks in the literature. d H2 adsorption isotherms of Si-P1 at 77 K. e CH4 adsorption isotherms of Si-P1 at 295 K. f CO2 adsorption isotherms of Si-P1 at 295 K. (adapted with permission from ref. 60. © 2009 John Wiley and Sons).
