Abstract
In this work, mixed phase molybdenum oxides (MoO3/Mo5O14) nanostructures were synthesized by an effective and environmental friendly sol-gel method. The tetragonal and orthorhombic phase confirmation of MoO3 and Mo5O14 nanostructures were confirmed by X-ray diffraction (XRD) method. Vibration behavior of mixed phase molybdenum oxides was characterized by Raman and Fourier transform infrared spectra (FTIR). The optical properties of samples were also characterized by photoluminescence (PL) spectra. Further, the samples were fabricated as electrodes on GCE electrode and the electrochemical properties of mixed phase MoO3/Mo5O14 nanostructures were investigated by LSV, EIS and CA Studies. The catalyzing ability of HER activity was reported at the minimum potential -0.043 V was reported. Conductivity and high electron transfer kinetics were revealed by electrochemical impedance spectra (EIS) and chronoamperometry (CA) study. The results clearly suggested that the mixed phase molybdenum oxide exhibited outstanding performance towards highly efficient electrochemical HER activity via water splitting process.
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