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Instruments / Technical Area	Publication Details	Published	Actions
I11-High Resolution Powder Diffraction	Enhanced gas sorption and breathing properties of the new sulfone functionalized COMOC-2 metal organic framework Guangbo Wang , Karen Leus , Sarah Couck , Pieter Tack , Hannes Depauw , Ying-Ya Liu , Laszlo Vincze , Joeri F. M. Denayer , Pascal Van Der Voort Dalton Transactions 45, 9485 - 9491 DOI: 10.1039/C6DT01355D Diamond Proposal Number(s): [12401] Show Abstract ▼ Abstract: A new sulfone functionalized vanadium metal–organic framework (MOF), denoted as SO2-COMOC-2, has been synthesized solvothermally. Its structural and gas sorption properties towards CO2 and CH4 have been evaluated and compared to those of the pristine COMOC-2 material. The SO2-COMOC-2 shows a remarkable increase in CO2 capacity at ambient pressure (2.13 mmol g−1 at 273 K vs. 1.23 mmol g−1 for the pristine COMOC-2). Additionally, the high pressure CO2 sorption isotherm shows a distinctive two-step sorption behavior with a final capacity of 12.45 mmol g−1 for SO2-COMOC-2 at 303 K, while for CH4 a typical Type I isotherm was obtained with a capacity of 4.13 mmol g−1. In situ synchrotron X-ray powder diffraction measurements have been carried out to characterize the structural flexibility of the materials, showing both the presence of large pore and narrow pore form. Furthermore, synchrotron XANES and a variety of spectroscopic techniques have been utilized to verify the presence of hydroxyl groups and the existence of the mixed vanadium oxidation states in the titled MOF structure.	May 2016

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I11-High Resolution Powder Diffraction

Enhanced gas sorption and breathing properties of the new sulfone functionalized COMOC-2 metal organic framework

Guangbo Wang , Karen Leus , Sarah Couck , Pieter Tack , Hannes Depauw , Ying-Ya Liu , Laszlo Vincze , Joeri F. M. Denayer , Pascal Van Der Voort

Dalton Transactions 45, 9485 - 9491

DOI: 10.1039/C6DT01355D

Diamond Proposal Number(s): [12401]

Show Abstract ▼

May 2016