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Issue 5, 2013
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Secondary spacer modulated assembly of polyoxometalate based metal–organic frameworks

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Abstract

To investigate the influence of a secondary spacer on the resulting structures of POMOFs containing pytz, five new compounds with different dimensionalities, [Cu5(2-pytz)6(H2O)4][SiMo12O40]·3H2O (1), [Cu3(2-pytz)4bipy][H2SiMo12O40]·bipy (2), [Cu3(2-pytz)2(bipy)4(H2O)6][H4SiW12O40]2·6H2O (3), [Cu2(2-pytz)(phen)(OH)]2[SiW12O40]·H2O (4), [Cu3(4-pytz)4(H2O)4][H2SiW12O40]·2H2O (5), were synthesized. When only 2-pytz was employed, compound 1 with a 3D framework was obtained, whereas when the secondary spacers (4,4′-bipy, phen and 4-pytz) were introduced into the reaction system of 1, compounds 2–5 were obtained and exhibit a broad range of structures, including 0D, 1D, 2D and 3D frameworks. It can be observed from the architectures of compounds 1–5 that the secondary spacers have a great effect on the structures of the MOFs, which results in the formation of various dimensional POMOF compounds. Additionally, photocatalytic experiments of 1–5 for the photocatalytic degradation of RhB under UV irradiation were also investigated.

Graphical abstract: Secondary spacer modulated assembly of polyoxometalate based metal–organic frameworks

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Publication details

The article was received on 26 Aug 2012, accepted on 25 Oct 2012 and first published on 25 Oct 2012


Article type: Paper
DOI: 10.1039/C2DT31951A
Citation: Dalton Trans., 2013,42, 1667-1677
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    Secondary spacer modulated assembly of polyoxometalate based metal–organic frameworks

    J. Sha, J. Sun, M. Li, C. Wang, G. Li, P. Yan and L. Sun, Dalton Trans., 2013, 42, 1667
    DOI: 10.1039/C2DT31951A

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