In the present work, we have focused on the synthesis and characterization of V₂O₅ powders and thin films using the sol - gel method. This synthesis method has great potential to fabricate one-dimensional nanostructured metal oxides for commercial applications due to the fact that this method is very simply and relatively chip. The starting solution was prepared by mixing vanadium (V) oxytripropoxide in an anhydrous ethyl alcohol as solvent and acetic acid. Thin films deposited by spin – coating method on quartz glass or silicon substrates and bulk xerogel powders were annealed at various temperatures ranging from 100 °C to 600 °C. The structure of the samples was characterized by X-ray diffraction method (XRD), scanning electron microscope (SEM) and atomic force microscope (AFM). The rod-like structure of V₂O₅ was obtained at 600 °C on both substrates and from the bulk xerogel.

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1. Preparation and structure investigations of nanocrystalline lithium titanate powder prepared by sol-gel method