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Issue 35, 2014
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Self-assembly and modified luminescence properties of NaY(MoO4)2:Tb3+, Eu3+ inverse opals

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Abstract

Three-dimensional (3D) inverse opal photonic crystals can not only modulate the emissions of the inserted emitters, they also have the advantage of a large surface to volume ratio, which permits their use in noninvasive fluorescence detection. In this work, novel NaY(MoO4)2:Eu3+ and NaY(MoO4)2:Tb3+, Eu3+ inverse opals were synthesized using a polymethylmethacrylate (PMMA) template by the sol–gel method. It was observed that the photoluminescence (PL) intensity and spontaneous decay rates (SDRs) of the inverse opals were suppressed, in contrast to the corresponding ground reference (REF) samples, due to the modulation of the effective refractive index (neff). The concentration quenching of Eu3+ and energy transfer from Tb3+ to Eu3+ were suppressed, due to the periodic empty cavity structure of the inverse opals.

Graphical abstract: Self-assembly and modified luminescence properties of NaY(MoO4)2:Tb3+, Eu3+ inverse opals

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Publication details

The article was received on 16 Jun 2014, accepted on 26 Jun 2014 and first published on 26 Jun 2014


Article type: Paper
DOI: 10.1039/C4DT01792G
Citation: Dalton Trans., 2014,43, 13293-13298
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    Self-assembly and modified luminescence properties of NaY(MoO4)2:Tb3+, Eu3+ inverse opals

    S. Cui, Y. Zhu, W. Xu, P. Zhou, L. Xia, X. Chen, H. Song and W. Han, Dalton Trans., 2014, 43, 13293
    DOI: 10.1039/C4DT01792G

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