The invention relates to an improved process for preparing metal-organic framework materials, metal-organic frameworks obtainable by such processes, methods using the same, and the use thereof. The process of the invention provides an improved process for preparing metal-organic frameworks in partic
The invention relates to an improved process for preparing metal-organic framework materials, metal-organic frameworks obtainable by such processes, methods using the same, and the use thereof. The process of the invention provides an improved process for preparing metal-organic frameworks in particular monocrystalline metal-organic frameworks having large crystal sizes. The invention also relates to metal organic frameworks comprising iron or titanium, and their uses.
대표청구항▼
1. A single crystal iron metal-organic framework, the metal organic framework comprising at least one metal-ligand cluster comprising a metal cluster and one or more ligands having two or more carboxylate groups; wherein the metal cluster has the formula Fe2XO, where X is a metal ion selected from t
1. A single crystal iron metal-organic framework, the metal organic framework comprising at least one metal-ligand cluster comprising a metal cluster and one or more ligands having two or more carboxylate groups; wherein the metal cluster has the formula Fe2XO, where X is a metal ion selected from the group consisting of Fe, Co, Mn, Zn, Ni, Mg, Cu, and Ca;wherein the single crystal has a size greater than or equal to 10 μm; the metal organic framework comprises cavities having a free diameter of about 4 to about 40 Å; and the metal organic framework comprises pores having a pore volume of from about 0.1 cm3/g to about 4 cm3/g. 2. The single crystal iron metal-organic framework of claim 1, wherein the crystal is monocrystalline or polycrystalline. 3. The single crystal metal-organic framework according to claim 1, having a Brunauer-Emmett-Teller (BET) specific surface area of at least 200 m2/g. 4. The single crystal metal-organic framework according to claim 1, having a surface area of less than or equal to 8000 m2/g. 5. The single crystal metal-organic framework according to claim 1, the metal-organic framework comprising cavities having a free diameter of from about 5 Å to about 25 Å. 6. The single crystal metal-organic framework according to claim 1, the metal-organic framework comprising pores having a pore volume from about 0.2 cm3/g to about 3 cm3/g. 7. The single crystal metal-organic framework according to claim 1, having a size greater than or equal to 20 μm. 8. The single crystal metal-organic framework according to claim 1, having a crystal size from 10 μm to about 2000 μm. 9. The single crystal metal-organic framework according to claim 1, wherein the one or more ligands are derived from a dicarboxylic acid, a tricarboxylic acid, a tetracarboxylic acid, a hexacarboxylic acid, or a octacarboxylic acid. 10. The single crystal metal-organic framework according to claim 1, wherein each metal cluster is coordinated with 4, 5, or 6 ligands. 11. The single crystal of a metal-organic framework according to claim 1, wherein the at least one metal ion is Fe(II) or Fe(III). 12. The single crystal of a metal-organic framework according to claim 1, wherein the metal cluster has a formula Fe3O. 13. A process for preparing the single crystal iron metal-organic framework of claim 1, the process comprising: reacting a starting compound of formula M3O(CH3COO)6 with a ligand precursor having at least two carboxylic acid groups in the presence of acetic acid to provide a metal-organic framework comprising a M3O cluster where at least one (CH3COO) ligand is replaced by at least one ligand having at least two carboxylate groups; wherein M3 has the formula Fe2X, where X is a metal ion selected from the group consisting of Fe, Co, Mn, Zn, Ni, Mg, Cu, and Ca. 14. The process according to claim 13, wherein the starting compound has a formula Fe2MO(CH3COO)6 or Fe3O(CH3COO)6, where M is Co, Mn, Zn, or Ni.
Yaghi, Omar M.; Eddaoudi, Mohamed; Li, Hailian; Kim, Jaheon; Rosi, Nathaniel, Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage.
Yaghi,Omar M.; Eddaoudi,Mohamed; Li,Hailian; Kim,Jaheon; Rosi,Nathaniel, Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage.
Chang, Jong-San; Hwang, Young Kyu; Jhung, Sung Hwa; Hong, Do-Young; Seo, You-Kyung; Ferey, Gerard; Serre, Christian, Method for preparing porous organic-inorganic hybrid materials, porous organic-inorganic hybrid materials obtained by the method and catalytic uses of the materials.
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