Publication | Closed Access
Tuning the luminescence of two 3d–4f metal–organic frameworks for the fast response and highly selective detection of aniline
70
Citations
56
References
2017
Year
Two 3D solvent-stable zinc(ii)-lanthanide(iii) heterometallic metal-organic frameworks (MOFs) {[(CH<sub>3</sub>)<sub>2</sub>NH<sub>2</sub>]<sub>2</sub>[Zn<sub>2</sub>Ln<sub>2</sub>(FDA)<sub>6</sub>(DMF)<sub>2</sub>]·2DMF}<sub>n</sub> [Ln = Eu (Zn-Eu) and Tb (Zn-Tb); H<sub>2</sub>FDA = furan-2,5-dicarboxylic acid] based on Zn<sub>2</sub>Ln<sub>2</sub>(COO)<sub>10</sub> tetrametallic clusters and furan-2,5-dicarboxylic acid have been successfully synthesized. These MOFs can serve as luminescent sensors for the fast response and highly selective detection of aniline via luminescence quenching. More importantly, a linear correlation is observed between their luminescence and the low concentration of aniline and the detection limits of aniline are 7.5 μmol L<sup>-1</sup> for Zn-Eu and 5.2 μmol L<sup>-1</sup> for Zn-Tb.
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