Fluorescence intensity decay of silver(I) coordination compound assembled from 4-(2′,3′-dicarboxylphenoxy)benzoic acid with decarboxylation-2′ via in situ
2012
Abstract A new coordination compound [Ag(Hcpob)(bpy)] n ( 1 ) was assembled by 4-(3′-carboxylphenoxy)benzoic acid (H 2 cpob), 4,4′-bipyridine (bpy) and AgNO 3 under the hydrothermal synthesis. Especially, H 2 cpob came from the in situ decarboxylation of 4-(2′,3′-dicarboxylphenoxy)benzoic acid (H 3 dpob) in the hydrothermal reaction. Single-crystal X-ray diffraction reveals that 1 crystallizes in a monoclinic P 2 1 /c space group. 1 displays a one-dimensional (1D) fishbone-like double chain structure constructed from Ag(I) ions, bpy ligands and partly deprotonated H 2 dpob ligands, which further form a three-dimensional (3D) supramolecular architecture via π–π stacking and hydrogen-bonding interactions. In addition, the photoluminescence of 1 has been investigated in detail.
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