Patent · US Active

Phototunable metal-organic framework compositions, and methods of synthesis thereof

US9716239B2 · kind B2 · utility

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20Claims
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Key dates

Filing dateSep 26, 2016
Grant dateJul 25, 2017
Priority date
Expiry dateSep 26, 2036

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/003
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Some embodiments include a method of preparing a phototuned metal-organic framework by forming a first solution by dissolving ZrOCl2.8H2O in dimethylformamide (DMF) and formic acid, mixing and dissolving 1,4-phenylenediacrylic acid in a second solution of dimethylformamide (DMF) and trimethylamine, and at least partially mixing the first and second solutions to form a mixture. The method further includes sealing the mixture in an autoclave and heating the mixture to above ambient temperature for a specified period of time to prepare ZrPDA metal-organic framework, and extracting the ZrPDA metal-organic framework and at least partially reacting to a specified degree at least some of ZrPDA metal-organic framework through [2+2] cycloaddition reactions. The specified degree can be tunable based at least in part on at least one of the intensity of UV radiation, the exposure time, and the UV wavelength.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.