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Issue 11, 2014
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Construction of Cd(II) coordination polymers used as catalysts for the photodegradation of organic dyes in polluted water

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Abstract

Four Cd(II) coordination polymers formulated as {[Cd3(tpcb)2)(η,η-μ-SO4)2(H2O)6]SO4·16H2O}n (1), {[Cd(tpcb)0.75(OH)(H2O)2](NO3)}n (2), {[Cd2(tpcb)(SO4)2(H2O)6]·2MeOH·3H2O}n (3), and {[Cd(tpcb)(NO3)(H2O)2](NO3)}n (4) were synthesized by reactions of CdSO4 or Cd(NO3)2 with tetrakis(4-pyridyl)cyclobutane (tpcb) under solvothermal conditions or at ambient temperature. Compounds 1–4 were characterized by elemental analysis, IR spectroscopy, thermal analysis, powder X-ray diffraction analysis and single crystal X-ray diffraction. Compounds 1, 2, and 4 possess three different complicated 3D frameworks with the Schläfli symbols of (46)(412·54·64·88), (63)4(62·84)3 and (83)(86), respectively, while 3 presents a 1D chain structure. Compounds 1–4 exhibited relatively good photocatalytic activity towards the degradation of methyl orange (MO), methyl blue (MB) and rhodamine B (RhB) in aqueous solution. These results offered a good insight into the temperature effects on the assembly of Cd(II) coordination polymers and their photocatalytic applications.

Graphical abstract: Construction of Cd(ii) coordination polymers used as catalysts for the photodegradation of organic dyes in polluted water

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Publication details

The article was received on 20 Nov 2013, accepted on 23 Dec 2013 and first published on 02 Jan 2014


Article type: Paper
DOI: 10.1039/C3CE42360C
Citation: CrystEngComm, 2014,16, 2158-2167
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    Construction of Cd(II) coordination polymers used as catalysts for the photodegradation of organic dyes in polluted water

    D. Li, C. Ni, M. Chen, M. Dai, W. Zhang, W. Yan, H. Qi, Z. Ren and J. Lang, CrystEngComm, 2014, 16, 2158
    DOI: 10.1039/C3CE42360C

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