Inorganic Nanotubes: Structure, Synthesis, and Properties


Reshef Tenne Materials and Interfaces Department, Weizmann Institute

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Nanoparticles of inorganic layered compounds, such as WS2, were shown to be unstable in the planar form and, in analogy to carbon nanoparticles, they form closed-cage structures with polyhedral or nanotubular shapes. These findings extend the paradigm of carbon fullerenes and nanotubes to the field of inorganic chemistry, where numerous examples for its validity have been documented in recent years. Templated growth of nanotubes from isotropic (3-D) compounds such as metal oxides and chalcogenides was reported as well, but these nanotubes are generally not perfectly crystalline. Various issues in the structure, synthesis, and properties of such inorganic nanotubular and fullerene-like structures are reviewed, together with some possible applications.