Research Article
Facile Preparation and Electrochemical Investigations of Copper-Ion Doped α-MnO2Nanoparticles
@INPROCEEDINGS{10.1007/978-3-030-93712-6_36, author={Nigus Gabbiye Habtu and Ababay Ketema Worku and Delele Worku Ayele and Minbale Admas Teshager and Zerihun Getahun Workineh}, title={Facile Preparation and Electrochemical Investigations of Copper-Ion Doped α-MnO2Nanoparticles}, proceedings={Advances of Science and Technology. 9th EAI International Conference, ICAST 2021, Hybrid Event, Bahir Dar, Ethiopia, August 27--29, 2021, Proceedings, Part II}, proceedings_a={ICAST PART 2}, year={2022}, month={1}, keywords={Copper-ion α-MnO2 nanoparticles Co-perception technique Oxygen reduction reaction}, doi={10.1007/978-3-030-93712-6_36} }- Nigus Gabbiye Habtu
Ababay Ketema Worku
Delele Worku Ayele
Minbale Admas Teshager
Zerihun Getahun Workineh
Year: 2022
Facile Preparation and Electrochemical Investigations of Copper-Ion Doped α-MnO2Nanoparticles
ICAST PART 2
Springer
DOI: 10.1007/978-3-030-93712-6_36
Abstract
Copper doped MnO2nanoparticles have been developed by co-perception technique without using any surfactants and templates. The physiochemical and thermal properties of the as-prepared nanoparticles have been analysed by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, and Thermogravimetric analysis (TGA) and/or Differential thermal analysis (DTA). The catalytic performance of MnO2and Cu doped MnO2nanoparticles have been assessed via cyclic voltammetry (CV). The crystal structure of MnO2and Cu doped MnO2nanoparticles was the sharply crystallized α-MnO2. However, the Copper dopant has no noticeable influence on the crystallization of MnO2as determined by the results of XRD analysis. The formation of M-O (M = Mn, Cu) was confirmed from FTIR study. Cu-doped MnO2nanoparticles showed improved thermal stability as confirmed by TGA/DTA analysis. The doping amount had a high impact on the catalytic performance of the Cu-MnO2nanoparticles. The Cu-MnO2nanoparticles showed better catalytic performance as compared to pure MnO2. Hence, Cu-doped MnO2nanoparticles showed improved catalytic activity and thermal stability.
