Two M(II)-1,5-NDS-dafo supramolecular architectures (M = Cu, Cd): Syntheses, structures, and photoluminescence properties
JOURNAL OF COORDINATION CHEMISTRY(2013)
Abstract
Under hydrothermal conditions, reaction of Cu(II)/Cd(II) salts with 1,5-naphthalenedisulfonate (1,5-NDS) and 4,5-diazafluoren-9-one (dafo) afforded [Cu(dafo)(2)(1,5-NDS)](n) (1) and [Cd(dafo)(2)(1,5-NDS)](n) (2), respectively. The compounds were characterized by elemental analysis, IR, PXRD, TG-DSC, and single-crystal X-ray diffraction. Both 1 and 2, which are the first M(II)-1,5-NDS-dafo systems, exhibit 3-D supramolecular structures generated by 1-D chains via C-HO hydrogen bonds and - interactions. Solid-state photoluminescence properties of both 1 and 2 were investigated with emission bands at 426-496nm ((ex)=280, 270nm for 1 and 2, respectively).
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Key words
Naphthalenedisulfonate,Hydrothermal condition,Supramolecule,Photoluminescence property
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