Abstract
Mo- doped crystalline V2O5 thin films were prepared by thermal evaporation and its surface morphology, vibrational spectra and electronic structure properties were studied by X-ray diffraction, Raman spectroscopy, Field Emission Scanning Electron Microscopy, X-ray photoelectron spectroscopy and Density Functional Theory based calculations. It is found that molybdenum ions have an oxidation state of 6+ in V2O5 unit cell and dopant ions reduce the oxidation state of the neighboring vanadium ions from 5+ to 4+. Electronic structure calculations revealed the formation of new energy states in the band gap. Mo doping is expected to enhance the electronic conductivity and performance of V2O5 as electrodes in rechargeable batteries.
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