A VO-seeded approach for the growth of star-shaped VO 2 and V 2 O 5 nanocrystals : facile synthesis, structural characterization, and elucidation of electronic structure
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Obtaining shape and size control of strongly correlated materials is imperative to obtain a fundamental understanding of the influence of finite size and surface restructuring on electronic instabilities in the proximity of the Fermi level. We present here a novel synthetic approach that takes advantage of the intrinsic octahedral symmetry of rock-salt-structured VO to facilitate the growth of six-armed nanocrystallites of related, technologically important binary vanadium oxides VO2 and V2O5. The prepared nanostructures exhibit clear six-fold symmetry and most notably show remarkable retention of electronic structure. The latter has been evidenced through extensive X-ray absorption spectroscopy measurements. © The Royal Society of Chemistry 2011.
author list (cited authors)
Whittaker, L., Velazquez, J. M., & Banerjee, S.