Tuning of optical properties of doped vanadium pentoxide thin films

•The manuscript elaborates band gap variations caused by doping of V2O5 lattice.•The manuscript discusses optical absorption and transmittance properties of doped V2O5thin films.•X ray photoemission analysis for the doped V2O5 thin films have been discussed.•Impact of synthesis techniques used for doping V2O5 thin films on structural and optical properties are discussed.