Abstract
In the present research work, reduced graphene oxide (rGO) decorated zirconium titanate nanocomposites at 1:1 (ZTOr11), 2:1 (ZTOr21) and 1:2 (ZTOr12) ratios are synthesized by green mediated approach. The Bragg reflections of all the three samples consists the Bragg reflections corresponding to orthorhombic zirconium titanate nanoparticles along with the reflections of rGO. The surface morphology consists irregular shaped nanoparticles decorated on the surface of rGO. The transmission electron microscopy shows the presence of both rGO and lattice fringes corresponding to ZrTiO4 matrix. The energy band gap was tuned from 2.7 to 2.61 eV. The photoluminescence emission spectra (λex = 223 nm) and CIE coordinates confirms the blue emission with color correlated temperature less than 5000 K. This clearly indicates that the present synthesized NCs finds an application in the field of display technology. Additionally, electrochemical investigations were conducted to determine the supercapacitance value of the material. The capacitance value vary in the range of 311 F/g to 404 F/g for ZTOr11 NPs, 157 F/g to 194 F/g for ZTOr21, and 36.8 F/g to 163 F/g for ZTOr12 NPS for scan rates 10 to 100 mV/s. The synthesized rGO NCs with ZTO might find an application in display and supercapacitor applications.
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