Fig. 2: The characterization of cages and ligands.
From: A porous metal-organic cage liquid for sustainable CO2 conversion reactions
a FT-IR spectra of [(5-Meim-1,3-H2BDC)+(Cl–)], PEG-Im-H2BDC, Im-PL-Cage, Zn-Cage and H4TBSC. b UV–Vis spectra of PEG-Im-H2BDC, H4TBSC, Zn-Cage and Im-PL-Cage. c XPS spectra for the N 1s regions of the Im-PL-Cage and the Zn-Cage: XPS raw data (open cycles) and fitting curves (line). d TGA for the PEG-Im-H2BDC, Zn-Cage and Im-PL-Cage.
