Fabrication of Multimetal Disulfide Nanotube and Its Structural Characteristics

Abstract

Abstract: The fabrication and structure controlling of inorganic fullerene-like nanocompounds have attracted wide
interests in recent years. A new approach of exfoliating-restacking-structure controlling was applied to overcome some technological problems in present
preparation approaches. MoS₂ and WS_₂ powders were used as precursor materials and exfoliated into single layers by butyllithium. The sample
was treated by MnCl₂ solution at 80℃ to introduce Mn²⁺ cations into the reactive system. In this way, the single layer was restacked
and the structure of product could be controlled. The products were characterized by XRD, TEM and HRTEM respectively. XRD results indicate that
multimetal disulfide compounds can be fabricated by this new approach. TEM results show that the morphology of the multimetal disulfide compounds
exhibits hollow-like nanotubes. HRTEM results show that the structure of the hollow-like nanotubes is of double layers. And the substructure of the
inner layer exhibits multi-wall shape. Based on the above results, a possible formation mechanism of hollow multi-wall nanotubes was discussed.

Key words: multimetal disulfide, exfoliating-restacking- structure controlling, nanotube, structural characteristic

CLC Number:

TB383

LI Guo-Hua,ZENG Yue-Wu,SONG Xu-Chun,XIA Jun-Bao,CHEN Wei-Xiang,XU Zhu-De. Fabrication of Multimetal Disulfide Nanotube and Its Structural Characteristics[J]. Journal of Inorganic Materials.

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