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Issue 17, 2018
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Lanthanide hybrids of covalently-coordination cooperative post-functionalized metal–organic frameworks for luminescence tuning and highly-selectively sensing of tetrahydrofuran

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Abstract

A new class of Ln-MOFs (Ln = Eu, Tb, Eu/Tb, Sm) are synthesized through a post-synthetic modification of the parent MOF, UMCM-NH2. The luminescence spectra of Eu-MOF, Tb-MOF and Eu/Tb-MOF exhibit the characteristic emission bands of ligands and corresponding Ln3+, particularly Eu3+. Multi-color luminescence could be modulated by adjusting the excitation wavelength of the Eu-MOF and Tb-MOF. What's more, white-light emission may be realized by co-doping the Eu3+ and Tb3+ due to the synergistic contribution of the three luminescence centers. In addition, the Eu-MOF is selected as a luminescence sensor to explore the potential of sensing organic small molecules. Most interestingly, it exhibits a highly selective, sensitive and rapid response to THF, which could be distinguished easily by the naked eye under UV-light irradiation. Consequently, Eu-MOF is a promising candidate as the “turn on” fluorescent probe for detecting THF that has been rarely reported.

Graphical abstract: Lanthanide hybrids of covalently-coordination cooperative post-functionalized metal–organic frameworks for luminescence tuning and highly-selectively sensing of tetrahydrofuran

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Publication details

The article was received on 09 Feb 2018, accepted on 09 Apr 2018 and first published on 09 Apr 2018


Article type: Paper
DOI: 10.1039/C8DT00551F
Citation: Dalton Trans., 2018,47, 6210-6217
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    Lanthanide hybrids of covalently-coordination cooperative post-functionalized metal–organic frameworks for luminescence tuning and highly-selectively sensing of tetrahydrofuran

    H. Zheng, X. Lian, S. Qin and B. Yan, Dalton Trans., 2018, 47, 6210
    DOI: 10.1039/C8DT00551F

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