996 resultados para FULLERENE DERIVATIVES


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Acknowledgements We thank the EPSRC National Crystallography Service (University of Southampton) for the data collections and the EPSRC National Mass Spectrometry Service (University of Swansea) for the HRMS data.

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I thank SERC for a CASE studentship (to RG. Giles) with the former Fisons Pharmaceuticals division (with Dr. S. C. Eyley) and Dr. B. R. Buckley, of this department, for provided helpful comments on an earlier version of the manuscript.

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I thank SERC for a CASE studentship (to RG. Giles) with the former Fisons Pharmaceuticals division (with Dr. S. C. Eyley) and Dr. B. R. Buckley, of this department, for provided helpful comments on an earlier version of the manuscript.

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We thank European Commission (project “PET BRAIN: Mapping the brain with PET radiolabeled cannabinoid CB1 ligands”; FP7-People-2009-IAPP; Grant Agreement N.25142).

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I thank SERC for a CASE studentship (to RG. Giles) with the former Fisons Pharmaceuticals division (with Dr. S. C. Eyley) and Dr. B. R. Buckley, of this department, for provided helpful comments on an earlier version of the manuscript.

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The solid-state pyrolysis of organometallic derivatives of a cyclotriphosphazene is demonstrated to be a new, simple and versatile solid-state templating method for obtaining single-crystal micro- and nanocrystals of transition and valve metal oxides. The technique, when applied to Mo-containing organometallics N3P3[OC6H4CH2CN·Mo(CO)5]6 and N3P3[OC6H4CH2CN·Mo(CO)4 py]6, results in stand-alone and surface-deposited lamellar MoO3 single crystals, as determined by electron and atomic force microscopies and X-ray diffraction. The size and morphology of the resulting crystals can be tuned by the composition of the precursor. X-ray photoelectron and infrared spectroscopies indicate that the deposition of highly lamellar MoO3 directly on an oxidized (400 nm SiO2) surface or (100) single-crystal silicon surfaces yields a layered uniphasic single-crystal film formed by cluster diffusion on the surface during pyrolysis of the metal-carbonyl derivatives. For MoO3 in its layered form, this provides a new route to an important intercalation material for high energy density battery materials.