Borohydride Reduction of Cobalt Oxide (Co3O4) Nanoparticles

  • Majid Farahmandjou Islamis Azad University, Varamin, Iran
  • Somayeh Shadrokh Islamis Azad University, Varamin, Iran
  • Ali Moghimi Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
Keywords: Cobalt Oxide, Nanocrystals, Wet Chemical, Sodium Borohydride, Co-Precipitation

Abstract

Recently, magnetic nanomaterials have been used in a wide range of applications such as medicine and electronics. In this research, rod-like shaped cobalt oxide magnetic nanoparticles (Co3O4) were synthesized by a simple co-precipitation method using cobalt chloride as a precursor and sodium borohydride (NaBH4) as reducing agent. Their structural and surface morphological properties were characterized by high-resolution transmission electron microscopy (HRTEM), field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD) and vibration sampling magnetometer with (VSM). XRD measurement exhibited the structure of Co3O4 nanocrystals for annealed samples. The TEM results showed the cobalt oxide nanoparticles with good uniformity in the range size of 10-40 nm. The SEM images revealed that the particles changed from spherical shape to rod-like shape with increasing temperature. Magnetic measurements showed the coercive field of around 84.5G and saturation magnetization of annealed of around 9.83 emu/g.

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Author Biographies

Majid Farahmandjou, Islamis Azad University, Varamin, Iran

Department of Physics, Varamin Pishva Branch

Somayeh Shadrokh, Islamis Azad University, Varamin, Iran

Department of Physics, Varamin Pishva Branch, Islamis Azad University, Varamin, Iran

Ali Moghimi, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran

Department of Chemistry, Faculty of Pharmaceutical Sciences, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran

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Published
2019-12-17
How to Cite
Farahmandjou, M., Shadrokh, S., & Moghimi, A. (2019). Borohydride Reduction of Cobalt Oxide (Co3O4) Nanoparticles. To Physics Journal, 4, 33-39. Retrieved from https://purkh.com/index.php/tophy/article/view/526
Section
Research Articles