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Two metal–organic zeolites for highly sensitive and selective sensing of Tb3+

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Abstract

Lanthanides have been extensively used as important luminescent materials because of their excellent optical properties. However, the luminescence intensities of Ln3+ ions from direct excitation are often hindered due to the small absorption coefficient and low luminous efficiency. The “antenna” effect is an effective strategy for sensitizing the luminescence of Ln3+ ions. In this work, two metal–organic zeolites (HNU-25 and HNU-26) were synthesized through a mixed ligand strategy. Both of them can serve as efficient sensors for the Tb3+ ion by sensitizing the characteristic luminescence of the Tb3+ ion. The different responses of sensitization depend on the intramolecular energy transfer between the frameworks and the Ln3+ ions. These effective behaviors provide an insight into the design and synthesis of chemical sensors for Ln3+ ions.

Graphical abstract: Two metal–organic zeolites for highly sensitive and selective sensing of Tb3+

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Publication details

The article was received on 29 Dec 2018, accepted on 16 Feb 2019 and first published on 20 Feb 2019


Article type: Research Article
DOI: 10.1039/C8QI01406J
Citation: Inorg. Chem. Front., 2019, Advance Article

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    Two metal–organic zeolites for highly sensitive and selective sensing of Tb3+

    M. Li, G. Ren, F. Wang, Z. Li, W. Yang, D. Gu, Y. Wang, G. Zhu and Q. Pan, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C8QI01406J

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