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Structure and optical spectrum of ZnO nanoparticles produced in RF plasma

机译:RF等离子体中产生的ZnO纳米粒子的结构和光谱

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ZnO particles were produced by dropping Zn powder into a heated boat just below the plasma electrodes in a mixture gas of argon and oxygen. The resulting particles look spherical with the size of 30 nm and were of tetrapod configuration having four [0001] axes of ZnO. The dispersion became better than that in the case of another method without plasma. The ultraviolet-visible light transmittance of the specimen showed sharp absorption. The electric charge in the plasma field controlled the coalescence growth of each particle and improved the dispersion of the particles due to the plasma effect.
机译:通过在氩气和氧气的混合气体中将锌粉滴入等离子电极正下方的加热舟皿中来生产ZnO颗粒。所得的颗粒看起来是球形的,尺寸为30nm,并且是具有四个ZnO [0001]轴的四脚架构造。分散变得比没有等离子体的另一种方法更好。样品的紫外-可见光透射率显示出明显的吸收。由于等离子体效应,等离子体场中的电荷控制了每个粒子的聚结生长,并改善了粒子的分散性。

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