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Fabrication of Ni@SiC composite nanofibers by electrospinning and autocatalytic electroless plating techniques

机译:静电纺丝和自催化化学镀技术制备Ni @ SiC复合纳米纤维

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In this work, nickel-coated silicon carbide (Ni@SiC) nanofibers were successfully fabricated via electrospinning and autocatalytic electroless plating techniques. Thein situformed nickel oxide (NiO) seeds on the surface of SiC nanofibers were applied to catalyze the plating reaction instead of expensive palladium. The quality of nickel layer was determined by the reaction temperature, deposition time and NiO content in the fibers. After electroless plating for 2?h at 70?°C, the thickness of nickel layer was 60?nm and the average diameter of composite nanofibers was 610?nm. The volume density of the obtained Ni@SiC fibrous membrane was measured to be 1.3?g?cm?3. Such composite fibrous membranes with uniform nickel coating and interconnected pore structure possess potential applications as catalysts, supercapacitor and shielding materials.
机译:在这项工作中,通过静电纺丝和自动催化化学镀技术成功地制备了镀镍的碳化硅(Ni @ SiC)纳米纤维。用SiC纳米纤维表面的原位形成的氧化镍(NiO)晶种代替昂贵的钯来催化电镀反应。镍层的质量取决于反应温度,沉积时间和纤维中的NiO含量。在70°C下化学镀2?h之后,镍层的厚度为60?nm,复合纳米纤维的平均直径为610?nm。测得所得的Ni @ SiC纤维膜的体积密度为1.3μg·g·cm 2·3。具有均匀的镍涂层和互连的孔结构的这种复合纤维膜具有潜在的应用作为催化剂,超级电容器和屏蔽材料。

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