Charge Matching on Designing Neutral Cadmium–Lanthanide–Organic Open Frameworks for Luminescence Sensing

Authors

  • Hui Yang,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)
    2. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072 (China)
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  • Dr. Fei Wang,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)
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  • Yan-Xi Tan,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)
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  • Yao Kang,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)
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  • Prof. Dr. Tie-Hu Li,

    1. School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072 (China)
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  • Prof. Dr. Jian Zhang

    Corresponding author
    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)
    • State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)

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Abstract

Through careful consideration of charge matching, a simple replacement of metal ion from Cd2+ to Ln3+ in a building unit successfully transforms an anionic microporous framework into a series of isostructural porous neutral heterometallic frameworks [Cd3Ln2(btc)4(H2O)6(dmf)4]⋅x(solvent) (; Ln=Tb, Eu, Nd, Gd, Sm, dmf=N,N′-dimethylformamide) by employing five different lanthanide ions. 1-Tb and 1-Eu exhibit interesting photoluminescent properties, and remarkably, 1-Tb can act as a luminescent sensor to identify organic solvents and metal ions.

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