The amalgamation of g-C3N4 and VO2 (D) as a facile electrode for enhanced storage of energy

Herein, VO2 (D) compound is supplemented with graphitic carbon nitride or g-C3N4. In this discourse, authors have reported afresh, facile hydrothermal synthesis of VO2 (D) and g-C(3)N(4)composites by using vanadium pentoxide as a precursor and citric acid monohydrate as a reducing agent. Thus, the obtained phase of VO2 is supported by X-ray powder diffraction observations (XRD). Fourier transform infrared spectroscopy (FT-IR) is performed for further validation of thereby prepared chemical composition. Field emission scanning electron microscopy (FESEM) complemented with EDS was used for analyzing the morphology of the surface and confirmation of elementary composition. Transmission electron microscopy (TEM) is performed to check the distribution of VO2 (D) over the surface of g-C3N4. Thermo-gravimetric analysis (TGA) is also performed to thermal stability. Electrochemical performances are analyzed by cyclic voltammetry (CV), galvanostatic charge discharge (GCD), Nyquist plots. After the holistic analysis of the new composite, it has been found that 3VO(2)/gC(3)N(4) yielding 1416 F/g as a high specific capacitance at 2 mV/s scan rate with appealing cyclic stability (106.1%). This also agrees with GCD findings. The solution resistance (R-s), charge transfer resistance (R-ct) of 3VO(2)/g-C3N4 are 2.8 and 0.75 omega respectively.