Fig. 2: Synthesis of XHOF-TAQ and characterization of the organic ligand.

a Schematic diagram showing the changes of ligands for fabricating XHOF-TAQ. b The MS spectrum of TPAO. c SEM image and EDS mapping of XHOF-TAQ. d1H NMR spectrum of XHOF-TAQ.

a Schematic diagram showing the changes of ligands for fabricating XHOF-TAQ. b The MS spectrum of TPAO. c SEM image and EDS mapping of XHOF-TAQ. d1H NMR spectrum of XHOF-TAQ.