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The intense environment of an electric arc has been used to create MoS 2 core–shell particles. Instead of running the arc in a vacuum chamber under reduced pressure conditions, an arc discharge in water was employed. The arc was run between a carbon cathode and a Mo hollow rod anode whose interior was packed with MoS 2 powder. High-resolution electron microscopy and image simulations have been used to characterize the structure of the resultant material which was seen to consist of agglomerates of polyhedral MoS 2 cages with filled cores. A correlation between the growth conditions and the observed nanostructure is presented.
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Alexandrou et al. (2003) studied this question.
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