A versatile solution route for oxide/sulfide core–shell nanostructures and nonlayered sulfide nanotubes
Zhang, Hui; Yang, Deren; Ma, Xiangyang; Que, Duanlin; Yang, Deren;; Zhang, Hui; State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, People’s Republic of China; Ma, Xiangyang; State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, People’s Republic of China; Que, Duanlin; State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, People’s Republic of China
Журнал:
Nanotechnology
Дата:
2005-11-01
Аннотация:
Large-scale, uniform and regular oxide/sulfide core–shell nanostructures and nonlayered sulfide nanotubes, such as ZnO/ZnS, SnO<sub>2</sub>/SnS<sub>2</sub>, MnO<sub>2</sub>/MnS<sub>2</sub> core–shell nanostructures, as well as ZnS and SnS<sub>2</sub> nanotubes, have been prepared by a versatile approach based on a thioglycolic acid assisted hydrothermal process and subsequent NaOH treatment. The above-mentioned nanostructures have been characterized by x-ray powder diffraction (XRD), transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM). Moreover, the role of thioglycolic acid for the formation of oxide/sulfide core–shell and nonlayered sulfide nanotubes has been identified. Finally, the formation mechanism for the derived nanostructures has been phenomenologically presented.
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