Nanoscopic yttrium oxide fluorides: non-aqueous fluorolytic sol–gel synthesis and structural insights by 19F and 89Y MAS NMR?
Dalton Transactions Pub Date: 2015-06-15 DOI: 10.1039/C5DT00710K
Abstract
Nanoscopic yttrium acetate fluorides Y(CH3COO)3?zFz and yttrium oxide fluorides YO(3?z)/2Fz were prepared with tunable Y/F molar ratios via the fluorolytic sol–gel route. All samples were characterized by X-ray diffraction, elemental analysis and thermal analysis. In addition, local structures of all samples were studied by 19F MAS, 19F–89Y CP MAS and 1H–89Y CP MAS NMR spectroscopy and the respective chemical shifts are given. For both classes of compounds, only the fluorination using one equivalent of F (z = 1) leads to defined, well crystalline matrices: yttrium acetate fluoride Y(CH3COO)2F and r-YOF.
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Journal Name：Dalton Transactions
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CAS no.: 89640-58-4
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