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Issue 11, 2015
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Acid-induced Zn(ii)-based metal–organic frameworks for encapsulation and sensitization of lanthanide cations

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Abstract

Two Zn(II)-based metal–organic frameworks, namely, [Zn3(Hbptc)2(DMF)2]·2DMF(1) and [Zn5(bptc)3(H2O)]((CH3)2NH2)2(2), (H4bptc = 3,3′,5,5′-biphenyltetracarboxylic acid, DMF = N,N′-dimethylformamide), have been synthesized using different amounts of nitric acid under mixed-solvothermal conditions. 1 and 2 display different coordination geometries and donor ligands for the Zn2+ ions. In 1, only three carboxylic acid groups of H4bptc take part in the construction of the three-dimensional (3-D) framework with Zn2+, and one remains uncoordinated that can bind to other metal ions. Postsynthetic exchange of 1 with Ln3+ cations demonstrates that 1 can effectively capture metal cations and sensitize the visible-emitting Ln3+.

Graphical abstract: Acid-induced Zn(ii)-based metal–organic frameworks for encapsulation and sensitization of lanthanide cations

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The article was received on 13 Jan 2015, accepted on 04 Feb 2015 and first published on 05 Feb 2015


Article type: Paper
DOI: 10.1039/C5CE00083A
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CrystEngComm, 2015,17, 2294-2300

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    Acid-induced Zn(II)-based metal–organic frameworks for encapsulation and sensitization of lanthanide cations

    H. He, L. Zhang, M. Deng, Z. Chen, Y. Ling, J. Chen and Y. Zhou, CrystEngComm, 2015, 17, 2294
    DOI: 10.1039/C5CE00083A

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