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Published on: November 15, 2016
An excellently stable TbIII-organic framework with outstanding stability as a rapid, reversible, and multi-responsive
Feng Guo1, Changhua Su2, Yuhang Fan1
1Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China. guofeng1510@yeah.net.
Abstract:
An excellently stable TbIII-organic framework, [TbL·2H2O]n (complex 1), has been successfully synthesized through an assembly process. By virtue of its excellent water stability and strong green luminescence, complex 1 has been considered and applied as a reversible multi-responsive luminescent sensor for Fe3+, Cr2O72-, and nitrofurantoin (NFT) aqueous solutions. Complex 1 not only exhibits outstanding detection effects with high selectivity and sensitivity, but also shows remarkable cycling and regeneration abilities. The Ksv values of complex 1 for Fe3+, Cr2O72-, and NFT are 2.27 × 104, 2.31 × 104, and 5.26 × 104 M-1 in water systems, respectively. More importantly, complex 1 can accurately monitor NFT in real bovine serum samples via luminescence quenching detection.
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