Abstract

Vivek Sheel Jaswal,  Avnish Kumar Arora^*,  Joginder Singh, Mayank Kinger, Vishnu Dev Gupta

DOI : http://dx.doi.org/10.13005/ojc/300220

Chromium oxide nanoparticles (NPs)have been rapidly synthesized by precipitation method using ammomia as precipitating agent and are characterized by using X-ray Diffraction (XRD), Thermo Gravimetric Analysis (TGA), UV-Visible absorption (UV), Infrared Spectoscopy (IR), Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM). XRD studies show that chromium oxide NP is formed as Cr₂O₃ and it has hexagonal structure. The shape and particle size of the synthesized Cr₂O₃  NPs is determined by SEM and TEM. The images showed that the size of NPs of Cr₂O₃ varied from 20 nm to 70 nm with average crystalline size 45 nm. UV-Visible absorption and IR spectoscopy confirm the formation of nanosized Cr₂O₃. TGA verifies that the Cr₂O₃ NPs are thermally stable upto 1000 °C.

Nanaoparticles; chromium oxide; TEM; metal oxides; XRD analysis.

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