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首页> 外文期刊>Journal of Electronic Materials >Structural, Optical, Electrical, and Photocatalytic Properties of Nickel Cobaltite (NiCo2O4) Nanocomposite Fabricated by a Facile Microplasma Electrochemical Process
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Structural, Optical, Electrical, and Photocatalytic Properties of Nickel Cobaltite (NiCo2O4) Nanocomposite Fabricated by a Facile Microplasma Electrochemical Process

机译：镍钴矿石（NiCO2O4）纳米复合材料的结构，光学，电气和光催化性能通过舒适的显微镜电化学方法制备

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摘要

This study reports the facile atmospheric pressure microplasma-assisted synthesis of NiCo2O4 nanocomposite with the cubic spinel phase. The prepared samples were investigated in terms of their structural, morphological, compositional, electrical and optical properties. It was observed that the spherically shaped NiCo2O4 nanostructures have a face-centered cubic (fcc) crystalline structure with a space group of Fd-3 m. Raman spectra revealed a blue shift in the A1g and E2g modes which can be attributed to the nano-sized effect of NiCo2O4. Electrical properties showed a semiconducting behavior which can be explained by the nearest-neighbor hopping (NNH) process. The photocatalytic activity against rhodamine B dye aqueous solution was studied, and significant degradation was achieved after 120 min of solar irradiation. This understanding will be helpful for the fabrication and design of NiCo2O4 nanostructure-based wastewater purification and energy storage nanodevices.
机译：本研究报道了常压微等离子体辅助合成立方尖晶石相NiCo2O4纳米复合材料。对制备的样品进行了结构、形态、成分、电学和光学性质的研究。观察到球形NiCo2O4纳米结构具有面心立方（fcc）晶体结构，空间群为Fd-3M。拉曼光谱显示A1g和E2g模式发生蓝移，这可归因于NiCo2O4的纳米效应。电性能表现出半导体行为，这可以用最近邻跳跃（NNH）过程来解释。研究了其对罗丹明B染料水溶液的光催化活性，并在太阳照射120分钟后实现了显著降解。这一认识将有助于基于NiCo2O4纳米结构的废水净化和储能纳米器件的制备和设计。

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