The AFM image shows that the particles dispersed in tetrachloroethane are about 50 nm in diameter and they were almost dispersed homogeneously as original particles without any agglomeration or adhesion .

AFM观察表明在 四 氯 乙烷 中分散 后的粒径约为50nm，几乎所有颗粒都以原生粒子的 状态 单独分散，颗粒间无团聚。