Facile Synthesis and Electrical Properties of Chromium Oxide Nanoparticles

Azra Parveen

doi:10.61343/jcm.v3i02.70

Authors

Parveen A Department of Applied Physics, Z.H. College of Engineering & Technology, Aligarh Muslim University, Aligarh-202002, India.

DOI:

https://doi.org/10.61343/jcm.v3i02.70

Keywords:

Cr2O3 nanoparticles, X-ray diffraction (XRD), SEM, LCR

Abstract

The synthesis of Cr₂O₃ nanocrystal has been done by chemical precipitation method using ammonia as a precipitating agent. The hexagonal crystal structure and single crystalline nature of Cr₂O₃ powder were verified by X-ray diffraction (XRD) analysis. Debye-Scherrer formula was utilized to ascertain the average size of crystallites. The structure, shape, size, and composition of Cr₂O₃ nanoparticles were probed by SEM (Scanning Electron Microscopy) and EDX (Energy Dispersive X-ray Spectrometry). Optical band gap energy was estimated by UV-Vis spectroscopy. The various functional groups in Cr₂O₃ nanoparticles were reckoned by FTIR (Fourier transform infrared spectroscopy) findings. Inductance, Capacitance, and Resistance (LCR) meter was used to ascertain the electrical behavior of Cr₂O₃ nanoparticles. These finding suggests that the synthesized nanocrystal may be used in development of the electrical and optoelectronic devices.

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