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Issue 42, 2007
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Low pH hydrothermal synthesis and properties of lanthanide-organic frameworks with (410,65)(49,66) topology constructed from Ln-Hbptc building blocks

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Abstract

Two novel lanthanide-organic frameworks (LnOFs) with (410,65)(49,66) topology, [Ln(Hbptc)(H2O)]n (Ln = Eu(1), Gd(2); H4bptc = 3,3′,4,4′-biphenyltetracarboxylic acid) were synthesized via the hydrothermal in situ reaction between lanthanide salts and 3,3′,4,4′-biphenyltetracarboxylic dianhydride (bpta) under low pH conditions. In complexes 1 and 2, homohelix bundles with opposite chirality are assembled alternately and result in pillar-like 3D extended networks incorporated with coordinated water molecules, which show high thermal stability. The luminescence properties are illustrated by the EuIII complex (1) and its Gd-doped compound, which are intensive red emitters. The magnetic properties of complexes 1 and 2 are also investigated.

Graphical abstract: Low pH hydrothermal synthesis and properties of lanthanide-organic frameworks with (410,65)(49,66) topology constructed from Ln-Hbptc building blocks

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Article information


Submitted
18 Jun 2007
Accepted
16 Aug 2007
First published
10 Sep 2007

Dalton Trans., 2007, 4822-4828
Article type
Paper

Low pH hydrothermal synthesis and properties of lanthanide-organic frameworks with (410,65)(49,66) topology constructed from Ln-Hbptc building blocks

D. Weng, X. Zheng, L. Li, W. Yang and L. Jin, Dalton Trans., 2007, 4822
DOI: 10.1039/B709199K

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