The ball-milled mixture of Ti and Se powders was carried out a solid -phase reaction at600℃.The as-prepared sample had been characterized by X -ray diffraction(XRD),scanning electron microscopy(SEM),transmission elec...The ball-milled mixture of Ti and Se powders was carried out a solid -phase reaction at600℃.The as-prepared sample had been characterized by X -ray diffraction(XRD),scanning electron microscopy(SEM),transmission elec tron microscopy(TEM)and high-resolution transmission electron microscopy(HRT EM).The result shows that the products are multiwalled TiSe 2 nanotubes with open-ended tips,which are about15nm in outer diameter,se veral micron in lengths,and0.6nm of interlayer spacing.展开更多
文摘The ball-milled mixture of Ti and Se powders was carried out a solid -phase reaction at600℃.The as-prepared sample had been characterized by X -ray diffraction(XRD),scanning electron microscopy(SEM),transmission elec tron microscopy(TEM)and high-resolution transmission electron microscopy(HRT EM).The result shows that the products are multiwalled TiSe 2 nanotubes with open-ended tips,which are about15nm in outer diameter,se veral micron in lengths,and0.6nm of interlayer spacing.