Thioether functionalized pyrenyl covalent organic framework material and preparation method and application thereof
A technology of covalent organic framework and functionalization, applied in chemical instruments and methods, organic compound/hydride/coordination complex catalysts, hydrogen production, etc., can solve the problem of lack of covalent organic framework materials and achieve industrial High application value, good visible light response, good response effect
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[0038] A thioether-functionalized pyrene-based covalent organic framework material prepared by the following method:
[0039] (1) Mix 2,5-bis(2-(ethylthio)ethoxy)terephthalic hydrazide (19.52 mg, 48.5 μmol) and 1,3,6,8-tetra-(p-aldehyde benzene Base)-pyrene (15 mg, 24.25 μmol) was added to 1.1 mL o-dichlorobenzene, absolute ethanol and acetic acid solvent system, the volume ratio of o-dichlorobenzene, absolute ethanol and acetic acid was 5:5:1, and Place in a 5mL Pyrex tube with a body length of 20cm and a neck length of 1cm, sonicate for 3 minutes and mix well.
[0040] (2) The Pyrex tube was frozen in a liquid nitrogen bath, and after thawing, it was evacuated to an internal pressure of 0 mbar and flame-sealed.
[0041] (3) The Pyrex tube was placed in an oven at 120° C. for 3 days to generate a yellow solid.
[0042] (4) The precipitate was collected by suction filtration, washed three times with anhydrous tetrahydrofuran and absolute ethanol, and then washed three times ...
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