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  Rational assembly of functional Co-MOFs via a mixed-ligand strategy: synthesis, structure, topological variation, photodegradation properties and dye adsorption

Fan, C., Zong, Z., Zhang, X., Xu, C., Zhu, Z., Meng, X., et al. (2018). Rational assembly of functional Co-MOFs via a mixed-ligand strategy: synthesis, structure, topological variation, photodegradation properties and dye adsorption. CRYSTENGCOMM, 20(34), 4973-4988. doi:10.1039/C8CE00868J.

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Fan, C., Author
Zong, Z., Author
Zhang, X., Author
Xu, C., Author
Zhu, Z., Author
Meng, X., Author
Bi, S.1, Author              
Fan, Y., Author
Affiliations:
1Microbial Networks, Department of Systems and Synthetic Microbiology, Max Planck Institute for Terrestrial Microbiology, Max Planck Society, Karl-von-Frisch-Strasse 10, D-35043 Marburg, DE, ou_3266309              

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 Abstract: Four novel Co(II) metal–organic frameworks, namely [Co2(4,4′-cpmb)2(1,1′-bbi)2]n (1), [Co(4,4′-cpmb)(4,4′-bbibp)]n (2), {[Co(4,4′-cpmb)(tib)]·3(H2O)}n (3) and {[Co(4,4′-sdc)(tib)]·(H2O)}n (4) (flexible 4,4′-cpmb = 4-(4-carboxylphenylmethylthio)benzoic acid, rigid 4,4′-sdc = 4,4′-stilbenedicarboxylic acid, flexible 1,1′-bbi = 1,1′-(1,4-butanediyl)bis(imidazole), rigid 4,4′-bbibp = 4,4′-bis(benzoimidazo-1-ly)biphenyl and rigid tib = 1,3,5-tris(1-imidazolyl)benzene) were synthesized employing a rational design approach under solvothermal conditions and further characterized by elemental analysis, IR spectra, thermogravimetric (TG) analysis, powder X-ray diffraction (PXRD), and single-crystal X-ray diffraction. The four Co-MOFs display different interpenetrated structures due to the flexibility of O/N-donor ligands. Single-crystal X-ray diffraction analysis reveals that complex 1 displays a 6-fold interpenetrating class Ia net with the point Schläfli symbol of (66). Complex 2 shows a 3-fold interpenetrating sqc5 net with the point Schläfli symbol of (66·8). Complexes 3 and 4 exhibit a 2-fold interpenetrating 4-connected sql topology with the point Schläfli symbol of (44·62). The photodegradation properties and dye adsorption capacity of complexes 1–4 are investigated, and the framework integrity of complexes 1–4 can be well-retained.

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 Dates: 2018-09-14
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: eDoc: 747934
ISI: 000443270700010
DOI: 10.1039/C8CE00868J
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Title: CRYSTENGCOMM
Source Genre: Journal
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Pages: - Volume / Issue: 20 (34) Sequence Number: - Start / End Page: 4973 - 4988 Identifier: ISSN: 1466-8033