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Flexible Metal Organic Framework Compound, Ni(1,2-bis(4-pyridyl)ethylene)[Ni(CN)4]n, for CO2 Sorption Applications

Published

Author(s)

Winnie K. Wong-Ng, Jeffrey T. Culp, Yu-Sheng Chen, Laura Espinal, Andrew J. Allen, Daniel W. Siderius, Craig M. Brown, Wendy Queen, Peter Zavalij, Christopher Matranga

Abstract

New sorbent materials are required for carbon capture because coal-fired electrical power plants, the largest emitters of this greenhouse gas, will continue to produce much of our nation’s electricity for at least several decades. Within the family of pillared layer MOFs, the Ni-based Hofmann compounds [Ni’(L)Ni(CN)4]n (L=pillar ligand), have been shown to be especially diverse. To understand the CO2 sorption mechanism of these MOFs, and enable the design of even more efficient sorbent materials, detailed knowledge of the crystal structure is necessary. A selected flexible MOF, [Ni’(L)Ni(CN)4]n (L=1,2-bis(4-pyridyl)-ethylene, or bpene), that shows a reversible structural transition between low porosity and high porosity phases during the adsorption/desorption of CO2 has been synthesized and analyzed using synchrotron single crystal diffraction, powder X-ray diffraction, small angle neutron diffraction, and adsorption/desorption isotherm measurements. Pore size distribution determination has also been completed.
Citation
ACS Symposium Series

Keywords

Flexible MOFs, Ni-based Hofmann compounds, single crystal structure, [Ni’(L)Ni(CN)4]n (L=1, 2-bis(4-pyridyl)-ethylene), adsorption/desorption of CO2

Citation

Wong-Ng, W. , Culp, J. , Chen, Y. , Espinal, L. , Allen, A. , Siderius, D. , Brown, C. , Queen, W. , Zavalij, P. and Matranga, C. (2013), Flexible Metal Organic Framework Compound, Ni(1,2-bis(4-pyridyl)ethylene)[Ni(CN)4]n, for CO2 Sorption Applications, ACS Symposium Series (Accessed May 26, 2024)

Issues

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Created April 7, 2013, Updated February 19, 2017