采用O2+Ar电弧等离子体法,使金属钛原子从钛金属构成的阴阳两电极上产生,形成瀑流,在被电离的氧等离子区域中被氧化形成晶态的TiO2纳米超细颗粒.通过TEM观察,所合成的TiO2粉体为纳米尺寸的分散性好的球形粒子,平均粒径在20nm左右.利用X射线衍射分析,粉体中的晶粒为锐钛矿和金红石的混晶结构.
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