A facile and novel synthesis of bimetallic copper-manganese oxide nanoparticles anchored on carbon nanotubes

Abstract

In the current contribution, copper-manganese bimetallic oxide nanoparticles attached to carbon nanotube surfaces have been created utilizing a straightforward method rather than complicated machinery. The employed sources of Cu and Mn were copper sulfate and potassium permanganate, which were combined with modified carbon nanotubes and thermally treated at 250, 350, and 450 °C, respectively. As the annealing temperature rises from 250 to 450 °C, the copper-manganese bimetallic oxide nanoparticles adhered to the surface of the carbon nanotubes gradually grow in size from 9 to 45 nm. XRD and FTIR methods were used to study structural characteristics. The existence of copper-manganese bimetallic oxide phases was established based on the results. The peak height and sharpness of the XRD data were also improved by increasing the annealing temperature, reflecting an improvement in the crystallinity. A broadband dielectric spectroscopy (BDS) was used to show how the applied frequency affected the dielectric characteristics.

Keywords:

• Bimetallic
• manganese oxide
• copper oxide
• MWCNTs
• annealing

Acknowledgements

This project was funded by the Deanship of Scientific Research (DSR) at King Abdul-Aziz University, Jeddah, under grant No. 244194 – with code G: 238-662-1442. The authors, therefore, acknowledges with thanks DSR for technical and financial support.

Additional information

Funding

This study was funded by the Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, under grant No. 244194 - with code G: 238- 662-1442.