Summary.
The molecular precursors Nb(OiPr)2[OSi(OtBu)3]3 and {Nb(OiPr)4[O2P(OtBu)2]}2 have been prepared. The first compound undergoes facile thermal conversion to high surface area, acidic niobia silica, whereas the second one thermally decomposes to a low surface area niobium phosphate.
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Terry KW PhD Thesis, University of California, San Diego, 1993
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Lugmair, C., Don Tilley, T. Single Source Molecular Precursors to Niobia–Silica and Niobium Phosphate Materials. Monatsh. Chem. 137, 557–566 (2006). https://doi.org/10.1007/s00706-006-0445-9
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DOI: https://doi.org/10.1007/s00706-006-0445-9