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In the present investigation, we report a novel nano structured Ba/PbO2 prepared by electrochemical deposition method has been employed for the effective oxidation of ammonia in aqueous solutions. The electrode deposition was achieved in the boric acid bath solution that yielded a smooth deposition of PbO2 without poisoning the supporting electrolyte. The surface characterization of the deposited layer was done using Scanning Electron Microscope (SEM), and observed that cauliflower like morphology of undoped PbO2 was completely changed to a sharp edge like flower shape morphology due to the addition of Barium ions. The XRD characterization showed that nano crystallinity of PbO2 gets altered with the concentration of the Barium (Ba) ion dopant. Cyclic voltammetric investigation indicated that Ba10-5/PbO2 electrode effectively oxidized Ammonia (NH3) in alkaline solution, as confirmed through FT-IR spectral analyses. The prepared Ba containing electrode layer is quite promising for the oxidization of Ammonia for various industrial applications.

Ammonia Oxidation on the Barium Doped Nano Structured PbO2 Electrode: An Electrochemical Preparation and Application