Abstract
A new silicated cyclotriphosphazene N3P3(O2C12H8)2(OC6H4Si(CH3)3)(OC6H4Br) 1 has been synthesized and characterized. The solid state pyrolysis of 1 in air gives a nanostructured SiP2O7 3D network. The morphology of the network strongly depends on the temperature of the pyrolysis. Spinal-like columns and ring-shaped SiP2O7 are formed at 800 °C, while, at 600 °C, fused grains of about 300 nm were observed. Based on air TG and DSC thermal studies, we propose the mechanism of formation for the nanostructured network.
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This work was financially suppported by Fondecyt (Project 3060092) and MECESUP Project UCH0116.
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Díaz, C., Valenzuela, M.L. & Ushak, S. Synthesis and Characterization of N3P3(O2C12H8)2(OC6H4Si(CH3)3)(OC6H4Br) and Its Conversion to Nanostructured Si Material. J Clust Sci 19, 471–479 (2008). https://doi.org/10.1007/s10876-008-0189-2
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DOI: https://doi.org/10.1007/s10876-008-0189-2