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Full-Text Articles in Nanoscience and Nanotechnology
Preparations And Electrochemical Properties Of Co@Nc Nanocomposites Based On Zif-67, Xiao-Li Tan, Deng-Hong He, Xing-Wang Zhang
Preparations And Electrochemical Properties Of Co@Nc Nanocomposites Based On Zif-67, Xiao-Li Tan, Deng-Hong He, Xing-Wang Zhang
Journal of Electrochemistry
It is necessary to develop an inexpensive catalyst for the replacement of precious metal catalysts (such as RuO2, IrO2). In this article, the metal organic framework ZIF-67 was synthesized by solvothermal method at room temperature, and then the high temperature carbonization was used to prepare the nitrogen-doped carbon-based composite material Co@NC with the Co nanoparticle inside. The effects of the carbonization temperature on surface morphology, chemcial composition and electrocatalytic property were investigated. Most importantly, the Co@NC catalyst with the best morphology and structure was synthesized, and its catalytic activity and stability toward oxygen evolution reaction (OER) …
Optimization Of Processing Parameters Of Nanocomposite Film For Fresh Sliced Okra Packaging, Adeshina Fadeyibi Phd, Zinash Delebo Osunde Phd, Professor, Mohammed Gana Yisa Professor
Optimization Of Processing Parameters Of Nanocomposite Film For Fresh Sliced Okra Packaging, Adeshina Fadeyibi Phd, Zinash Delebo Osunde Phd, Professor, Mohammed Gana Yisa Professor
Journal of Applied Packaging Research
Nanocomposite film can be regarded as an active packaging material which is capable of curtailing microbial growth and keeping food for an extended life. In this research, the optimum processing parameters of cassava starch-zinc nanocomposite film was determined for packaging fresh-sliced okra. Samples of the films, with thickness ranging between 15– 17µm, were developed from the blends of 24g of cassava starch, 0–2 % zinc nanoparticles (NP) and 45–55 % glycerol in 600 ml distilled water. The ideal film was determined by optimizing the film processing parameters using Box-Behnken Design in Surface Response Methodology. It was subsequently used to package …