通过将水热反应制备的非晶态硒(a-Se)球形纳米粒子分散在无水乙醇中进行超声,成功地合成了三方相硒(t-Se)纳米管.分别用扫描电子显微镜(SEM)和X射线粉末衍射仪(XRD)对样品的形貌和晶体结构进行了表征.SEM观察发现纳米管外径约为150～300 nm,管壁厚约30～60 nm,管长几微米.XRD分析证明纳米管是三方相硒.进一步研究了超声时间对样品形貌的影响,并分析了t-Se纳米管的生长机制.
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