Selective Sensing of Fe3+ and Al3+ Ions and Detection of 2,4,6-Trinitrophenol by a Water-Stable Terbium-Based Metal-Organic Framework
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AbstractA water-stable luminescent terbium-based metal-organic framework (MOF), {[Tb(L-1)(1.5)(H2O)]3H(2)O}(n) (Tb-MOF), with rod-shaped secondary building units (SBUs) and honeycomb-type tubular channels has been synthesized and structurally characterized by single-crystal X-ray diffraction. The high green emission intensity and the microporous nature of the Tb-MOF indicate that it can potentially be used as a luminescent sensor. In this work, we show that Tb-MOF can selectively sense Fe3+ and Al3+ ions from mixed metal ions in water through different detection mechanisms. In addition, it also exhibits high sensitivity for 2,4,6-trinitrophenol (TNP) in the presence of other nitro aromatic compounds in aqueous solution by luminescence quenching experiments.
All Author(s) ListCao LH, Shi F, Zhang WM, Zang SQ, Mak TCW
Journal nameChemistry - A European Journal
Year2015
Month10
Day26
Volume Number21
Issue Number44
PublisherWILEY-V C H VERLAG GMBH
Pages15705 - 15712
ISSN0947-6539
eISSN1521-3765
LanguagesEnglish-United Kingdom
Keywordsaqueous phase; metal-organic frameworks; microporous materials; multifunctional sensor; terbium
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary

Last updated on 2020-01-12 at 00:42