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Enabling the Anodic Growth of Highly Ordered V2O5 Nanoporous/Nanotubular Structures


  • This work was supported by grants from the DFG and the Alexander von Humboldt Foundation of Germany (Y.Y.). The authors acknowledge Ulrike Marten-Jahns and Helga Hildebrand for the XRD and XPS measurements.


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Vanadium oxide layers with homogeneous nanoporous nanotubular morphology (see picture) were successfully fabricated by direct anodization of vanadium in fluoride electrolytes such as [TiF6]2− or [BF4]. The pore size and layer thickness can easily be controlled by tailoring the electrochemical conditions. Such nanotubular or porous structures are promising for the fabrication of lithium-ion insertion electrodes.

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