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Open Access Nano Express

Shape-Controlled Synthesis of ZnS Nanostructures: A Simple and Rapid Method for One-Dimensional Materials by Plasma

Hu Peng, Bai Liuyang, Yu Lingjie, Li Jinlin, Yuan Fangli* and Chen Yunfa

Author affiliations

State Key Laboratory of Multi-phase Complex System, Institute of Process Engineering, Chinese Academy of Sciences, 100190, Beijing, China

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Citation and License

Nanoscale Research Letters 2009, 4:1047-1053  doi:10.1007/s11671-009-9358-y

Published: 4 June 2009

Abstract

In this paper, ZnS one-dimensional (1D) nanostructures including tetrapods, nanorods, nanobelts, and nanoslices were selectively synthesized by using RF thermal plasma in a wall-free way. The feeding rate and the cooling flow rate were the critical experimental parameters for defining the morphology of the final products. The detailed structures of synthesized ZnS nanostructures were studied through transmission electron microscope, X-ray diffraction, and high-resolution transmission electron microscope. A collision-controlled growth mechanism was proposed to explain the growth process that occurred exclusively in the gas current by a flowing way, and the whole process was completed in several seconds. In conclusion, the present synthetic route provides a facile way to synthesize ZnS and other hexagonal-structured 1D nanostructures in a rapid and scalable way.

Keywords:
Zinc sulphide; 1D nanocrystal; Thermal plasma