Journal
POLYHEDRON
Volume 149, Issue -, Pages 117-125Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2018.04.021
Keywords
Chiral carboxylic acids; Chiral coordination compound; Crystal structure; Fluorescence property; Methylene blue degradation
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Funding
- National Natural Science Foundation of China [21501050]
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Three chiral metal-organic coordination polymers (CCPs) [Co(L)(bimb)] (1), [Cd(L)(bimb)] (2), [Zn(L) (bimb)] (3), (L = (R)-4-(4-(1-carboxyethoxy)phenoxy)-3-nitrobenzoic acid; bimb = 4,4'-bis((1H-imidazol-1-yl)methyl)-1,1'-biphenyl) have been successfully obtained via solvothermal reactions. The isomorphic 2D sql type network structures of CCPs 1-3 were determined by single-crystal X-ray diffraction analysis and further characterized by elemental analyses, IR, PXRD, TGA and circular dichroism (CD) spectra. Crystallized in chiral space group, CCPs 1-3 exhibit obvious Cotton effects in CD spectra and are proved to be second-harmonic generation (SHG) active. CCPs 1-3 also exhibit luminescence properties, the intensities of which could be affected by some metal cations, especially Fe3+. The Fe3+ sensing and photo catalytic properties toward methylene blue (MB) were also studied. (C) 2018 Elsevier Ltd. All rights reserved.
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