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Issue 26, 2014
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Hybrids based on lanthanide ions activated yttrium metal–organic frameworks: functional assembly, polymer film preparation and luminescence tuning

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Abstract

A series of hybrids based on lanthanide ions (Eu3+, Tb3+, Sm3+, Dy3+) activated yttrium metallic–organic framework of 1,3,5-benzenetricarboxylate [MOF-76(Y)] are synthesized by ion substitution under solvothermal conditions, which are isostructural with parent MOF-76(Y). Meanwhile, nanoscaled MOF-76(Y):Ln (Ln = Eu, Tb, Sm, Dy) can also be prepared with the assistance of a moderate reagent. The structure, composition and morphology of resulting materials are characterized by XRD, EDX and SEM. Photophysical properties of these hybrid systems are investigated in detail to reveal the characteristic emission of the corresponding Ln3+ ion under ultraviolet radiation. In a further study, the tunable emitting color of Eu3+ and Tb3+ co-activated MOF-76(Y) (x mol% Eu3+ : y mol% Tb3+ = 1 : 10, 5 : 10, 10 : 10, 10 : 5, 10 : 1) are discussed. The result indicates that the tunable optical properties of MOF-76(Y):Eu/Tb depend on the concentration of activated ions and excitation wavelength. In addition, polymer films, which are made of nanosized MOF-76(Y):Ln (Ln = Eu, Tb, Sm, Dy), are prepared in order to extend their potential application in optical devices.

Graphical abstract: Hybrids based on lanthanide ions activated yttrium metal–organic frameworks: functional assembly, polymer film preparation and luminescence tuning

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Publication details

The article was received on 03 Mar 2014, accepted on 28 Apr 2014 and first published on 29 Apr 2014


Article type: Paper
DOI: 10.1039/C4TC00414K
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Citation: J. Mater. Chem. C, 2014,2, 5098-5104
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    Hybrids based on lanthanide ions activated yttrium metal–organic frameworks: functional assembly, polymer film preparation and luminescence tuning

    T. Duan and B. Yan, J. Mater. Chem. C, 2014, 2, 5098
    DOI: 10.1039/C4TC00414K

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