Chiral two-dimensional metal–organic frameworks based on Zn(salen) ligands: subcomponent self-assembly and circularly polarised luminescence?
CrystEngComm Pub Date: 2022-12-05 DOI: 10.1039/D2CE01530G
Abstract
A pair of chiral metal–organic frameworks based on enantiomers of chiral Zn(salen) ligands has been successfully obtained by solvothermal subcomponent self-assembly. Both chiral MOFs were characterized by infrared spectroscopy, UV-vis absorption spectroscopy, thermogravimetric analysis, and single-crystal/powder X-ray diffraction. They crystallize in the chiral space group I222 and possess an extended 2D network with a sql topology. Moreover, these MOFs exhibit circularly polarized luminescence (CPL) with a dissymmetry factor of about 3.7 × 10?3. This work provides a simple strategy to make CPL-active MOF materials based on salen ligands.
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Journal Name：CrystEngComm
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CAS no.: 89640-58-4
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