Hydrothermal synthesis of spindle-like $${\hbox {SrMoO}}_{4}{:}{\hbox {Ln}}^{3+}$$ SrMoO 4 : Ln 3 + (Ln = Eu and Tb) microarchitectures for selectively detecting $${\hbox {Fe}}^{3+}$$ Fe 3 + ions
2019
In this work, spindle-like micrometre \({\hbox {SrMoO}}_{4}{:}{\hbox {Ln}}^{3+}\) (Tb, Eu) phosphors have been synthesized and designed as a fluorescent sensor for \({\hbox {Fe}}^{3+}\) ions assay. The structural information, morphologies and luminescence properties of the samples were characterized by X-ray diffraction, Fourier-transform infrared, Raman analysis, field-emission scanning electron microscopy and photoluminescence patterns. Furthermore, \({\hbox {Fe}}^{3+}\) ions could be immediately detected using fluorescence quenching methods, and this method shows excellent and satisfying sensitivity. This facile method could be extended to environmental and biological applications.
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