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US 12,636,634 B2Granted
Fluorinated MOF materials having rectangular channels, method of synthesizing MOF materials and methods of using MOF materials including for CO2 capture
AssigneesKing Abdullah University of Science and Technology, Saudi Arabian Oil Company
InventorsMohamed Eddaoudi, Prashant Bhatt
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Abstract
Provided herein are mixed ligand metal organic framework (ML-MOF) materials having rectangular grids characterized by the general formula MaMbF6-n(O/H2O)n(Ligand′)x(Ligand″)y(solvent)z, which are effective for capture of carbon dioxide from a fluid composition.
Claims20
A mixed ligand metal organic framework (ML-MOF) having rectangular grids characterized by the general formula
- MaMbF6-n(O/H2O)n(Ligand′)x(Ligand″)y(solvent)z
- wherein O/H2O refers to O or H2O, Ma comprises an element selected from the Periodic Table of the Elements IUPAC Groups 11, 2, 12, 13, 14, 6, 7 or 8-10 (CAS Groups IB, IIA, IIB, IIIA, IVA, IVB, VIB, VIIB, or VIII);
- Mb comprises an element selected from the Periodic Table of the Elements IUPAC Groups 13, 3, 4, 5, 6, 8-10 (CAS Groups IIIA, IIB, IVB, VB, VIB, or VIII);
- Ligand′ and Ligand″ are of different bond lengths;
- n=0−4;
- x=1;
- y=1;
- and z=0−4.
5 more elements
A mixed ligand metal organic framework (ML-MOF) having rectangular grids comprising:
- a pillar characterized by the formula (MbF6-n(O/H2O)n), wherein O/H2O refers to O or H2O, Mb comprises an element selected from the Periodic Table of the Elements IUPAC Groups 13, 3, 4, 5, 6, 8-10 (CAS Groups IIIA, IIIB, IVB, VB, VIB, or VIII) and n=0−4;
- and
- a rectangular grid characterized by the formula (Ma(Ligand′)x(Ligand″)y), wherein Ligand′ and Ligand″ are of different bond lengths, Ma comprises an element selected from the Periodic Table of the Elements IUPAC Groups 11, 2, 12, 13, 14, 6, 7 or 8-10 (CAS Groups IB, IIA, IIB, IIIA, IVA, IVB, VIB, VIIB, or VIII), x=1 and y=1;
- wherein the rectangular grid and pillar associate to form the metal-organic framework.
1 more element
A method of fabricating a mixed ligand metal organic framework, the method comprising:
- combining a hydrofluoric acid solution, a first metal source, a second metal source, and a solvent, sufficient to form a mixture;
- reacting the mixture over a period of time sufficient to form a reacted mixture;
- processing the reacted mixture to provide a metal organic framework via pillaring of rectangular grids with a pillar,
- wherein the pillar is characterized by the formula (MbF6-n(O/H2O)n), wherein O/H2O refers to O or H2O, Mb comprises an element selected from the Periodic Table of the Elements IUPAC Groups 13, 3, 4, 5, 6, 8-10 (CAS Groups IIA, IIIB, IVB, VB, VIB, or VIII) and n=0−4, and the rectangular grids are characterized by the formula (Ma(Ligand′)x(Ligand″)y), wherein Ma comprises an element selected from the Periodic Table of the Elements IUPAC Groups 11, 2, 12, 13, 14, 6, 7 or 8-10 (CAS Groups IB, IIA, IIB, IIIA, IVA, IVB, VIB, VIIB, or VIII), x=1 and y=1, and Ligand′ and Ligand″ are of different bond lengths.
1 more element
Dependencies are inferred from the claim text.