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Issue 10, 2012
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Syntheses, crystal structures, thermal stabilities and luminescence of two metal phosphonates

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Abstract

Hydrothermal reactions of Zn(II) or Pb(II) ions with 4-pyridyl-CH2N(CH2COOH)(CH2PO3H2) (H3L) afforded two metal phosphonates, namely, [Zn3(L)2]·2H2O (1) and [Pb3(L)2(H2O)2]·H2O (2). Compound 1 is a 3D pillared framework in which [ZnO4] tetrahedra and [ZnO3N2] trigonal-bipyramids are connected by L3− anions with heptadentate modes. In 2, L3− anions exhibit pentadentate modes to combine Pb(II) ions into a complicated 2D hybrid layer, resulting in the non-coordinated pyridine rings being sandwiched between the layers. Solid 1 is thermally stable up to 350 °C under an air atmosphere and displays bright purple–blue luminescence, and the luminescent intensity of the hydrated solid 1 can be weakened by nitrobenzene.

Graphical abstract: Syntheses, crystal structures, thermal stabilities and luminescence of two metal phosphonates

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Publication details

The article was received on 27 Feb 2012, accepted on 05 Mar 2012 and first published on 06 Mar 2012


Article type: Paper
DOI: 10.1039/C2CE25279A
Citation: CrystEngComm, 2012,14, 3478-3483
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    Syntheses, crystal structures, thermal stabilities and luminescence of two metal phosphonates

    R. Fu, S. Hu and X. Wu, CrystEngComm, 2012, 14, 3478
    DOI: 10.1039/C2CE25279A

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