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Organic-inorganic Hybrid Lanthanide-Silver Heterometallic Coordination Frameworks Constructed from Oxalate and Sulfate Anion: Syntheses, Structures, and Photoluminescent Properties

Authors

  • Xueying Xiao,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Reasearch on the Structure of Mater, Chinese Academic of Sciences, Fuzhou, 350002, P. R. China
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  • Yongqin Wei,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Reasearch on the Structure of Mater, Chinese Academic of Sciences, Fuzhou, 350002, P. R. China
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  • Wenxu Zheng,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Reasearch on the Structure of Mater, Chinese Academic of Sciences, Fuzhou, 350002, P. R. China
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  • Prof. Dr. Kechen Wu

    Corresponding author
    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Reasearch on the Structure of Mater, Chinese Academic of Sciences, Fuzhou, 350002, P. R. China
    • State Key Laboratory of Structural Chemistry, Fujian Institute of Reasearch on the Structure of Mater, Chinese Academic of Sciences, Fuzhou, 350002, P. R. China
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  • Supporting information for this article is available on the WWW under http://dx.doi.org/10.1002/zaac.201000427 or from the author.

Abstract

The first four examples of organic-inorganic hybrid lanthanide-silver heterometallic frameworks, namely, [AgLn5-C2O4)(SO4)(H2O)2] [Ln = Eu (1) and Sm (2)] and [AgLn4-C2O4)0.56-C2O4)0.5(SO4)(H2O)] [Ln = Tb (3) and Dy (4)] based on oxalate and sulfate anions were synthesized by hydrothermal reactions of lanthanide oxide, silver nitrate, oxalic acid and sulfuric acid. All structures contain ladder-like inorganic lanthanide sulfato chains, which are further connected together through silver atoms by oxalate anions with different coordination behavior (μ5-C2O4: 1 and 2, μ6-C2O4 mixed μ4-C2O4: 3 and 4) to generate two types of 3D networks. The luminescent properties of these compounds were also studied.

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