4.7 Article

A tubular europium-organic framework exhibiting selective sensing of Fe3+ and Al3+ over mixed metal ions

Journal

CHEMICAL COMMUNICATIONS
Volume 49, Issue 98, Pages 11557-11559

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc46613b

Keywords

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Funding

  1. NSFC [90922014, 21001115, 21271117]
  2. Shandong Natural Science Fund for Distinguished Young Scholars [JQ201003]
  3. NSF of the Shandong Province [ZR2010BL011]
  4. Fundamental Research Funds for the Central Universities [13CX05010A]
  5. [NCET-11-0309]

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A luminescent europium-organic framework with tubular channels based on the H(4)BTMIPA ligand (H(4)BTMIPA = 5,5'-methylenebis(2,4,6-trimethylisophthalic acid)) was assembled and characterized. The [H2N(CH3)(2)](+) ions as counterions are located in the channels. The cation exchange between [H2N(CH3)(2)](+) and metal ions resulted in complex 1 that can selectively sense Fe3+ and Al3+ ions through fluorescence quenching and enhancement, respectively.

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