Nickel and Cobalt Oxide Nanomaterials for Photocatalysis, Electrochemistry and Antibacterial Use
This community synthesizes and characterizes nickel and cobalt oxide nanoparticles and thin films, primarily to drive photocatalytic degradation of pollutants, enhance electrochemical performance in energy devices, and test antibacterial efficacy.
The work centers on the synthesis of nickel oxide (NiO) and cobalt oxide (Co3O4) nanoparticles, frequently using green methods involving plant leaf extracts or spray pyrolysis. Researchers characterize the structural, optical, and magnetic properties of these materials, often through doping with elements like chromium, iron, or manganese. Applications recur across three main areas: photocatalytic degradation of dyes and urea, electrochemical sensing and fuel cell applications, and antibacterial or antioxidant activity. The community also explores the integration of these oxides with graphene or other nanomaterials to modify their electrical and optical responses.
The largest share of the community's output is found in nickel research, accounting for 1.6% of all nickel research, with 3,015 papers in this group. Cobalt research follows with a 1.0% share and 1,378 papers. Nitrogen, oxygen, and carbon also appear frequently in the element footprint, reflecting the chemical composition of the oxides and the organic extracts used in synthesis.
The community comprises 7,056 papers, publishing most frequently in the Journal of Power Sources, Journal of The Electrochemical Society, and Electrochimica Acta.
Recent work continues to focus on the photocatalytic degradation of dyes and antibiotics using green-synthesized nickel oxide, as well as the development of NiO-based materials for electrochemical sensing and photodetectors.