Synthesis method of zinc metal organic framework materials
OwnerOmid GHAFFARI-NIK, Yan GAO +5inventors
InventorsOmid GHAFFARI-NIK, Yan GAO, Joel CIZERON, Nima MASOUMIFARD, Azadeh MOLAIE, Robert TOY, Pierre HOVINGTON
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Abstract
Embodiments of the invention generally relate to a method of preparing a metal organic framework (MOF), and specifically a zinc MOF having the formula Zn2Ht2Ox. The method generally comprises contacting at least one cycloazocarbyl compound, such as a N-heterocyclic compound with an oxalate (or a dicarboxylic acid or a dithio compound) with a zinc cation in a liquid suspension at a temperature equal to or less than 100° C. and a pressure of about 1 atmosphere.
Claims20
A method for preparing a Zn MOF of composition of formula Zn2Ht2Ox, where Ht is a first N-heterocyclic compound and is either a 1,2,4-triazolate or a combination of a 1,2,4-triazolate and at least a second N-heterocyclic compound, wherein said second N-heterocyclic compound is different from said first N-heterocyclic compound, Ox is an oxalate, a dianion form of a diacid oxalic acid, a dicarboxylic acid or a dithio compound, and Zn is a zinc cation, the method comprising:
- contacting said first N-heterocyclic compound, said Ox, and a solvent comprising water in a liquid suspension which is at a temperature equal to or less than 100° C. and at a pressure within a range of 0.9 to 1.1 atmospheres, and
- forming crystals of said Zn MOF.
A method for preparing a zinc containing MOF or Zn MOF of formula Zn2Ht2Ox, where Ht is a 1,2,4-triazolate, Ox is an oxalate, a dianion form of the diacid oxalic acid, and Zn is a zinc cation, the method comprising:
- contacting said 1,2,4 triazole, an oxalate salt, and a zinc salt or a zinc oxide, and a solvent comprising water, in a liquid suspension which is at a temperature equal to or less than 100° C. and at a pressure within a range of 0.9 to 1.1 atmospheres.
The method of 1, further comprising after addition of a last reagent or a suspension for said last reagent, a reaction mixture can be heated to reflux under atmospheric pressure.
Dependencies are inferred from the claim text.