کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1332715 | 979052 | 2008 | 6 صفحه PDF | دانلود رایگان |
Two compounds, {[Sm(H2O)5]2(TeMo6O24)}·6H2O (1) and {[Eu(H2O)7]2 (TeMo6O24)}·5H2O (2) have been synthesized by hydrothermal reactions and characterized by elemental analyses, IR spectra, thermal stability analyses, X-ray powder diffraction, and single-crystal X-ray diffraction. Compound 1 represents the first example of a 2D layer architecture constructed from Anderson-type polyoxoanions [TeMo6O24]6− and rare-earth ions Ln3+. Compound 2 displays a 1D chain structure built up of alternating Anderson-type polyoxoanions [TeMo6O24]6− and rare-earth ions Eu3+ along the c-axis. Luminescence measurement of 2 exhibits typical red fluorescent emission of the Eu3+ ion at room temperature. Furthermore, the emission is intense enough to be observed macroscopically under UV irradiation (365 nm).
Two compounds based on Anderson-type polyoxoanion building blocks and rare-earth ions have been synthesized under hydrothermal conditions. Compound 1 exhibits a 2D layer architecture constructed from [TeMo6O24]6− anions and rare-earth ions Ln3+. Compound 2 displays a 1D chain structure and possesses the intense luminescence property.Figure optionsDownload as PowerPoint slide
Journal: Journal of Solid State Chemistry - Volume 181, Issue 9, September 2008, Pages 2237–2242