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February 6th, 2007
Bulk molybdenum disulphide (MoS2) is a ubiquitous, standard solid lubricant. However, extremely small MoS2 nanoparticles have a potentially important application as a catalyst for producing sulphur-free fuels.
Multi-walled MoS2 nano-octahedron; courtesy by A. Enyashin, TU Dresden.
It is well known that material properties change when reducing particle sizes. However, for MoS2 nanoparticles the size-dependent deviations from the bulk properties are more pronounced than in other materials. Researchers at the Technical University Dresden and the Forschungszentrum Dresden-Rossendorf have studied in detail the influence of the particle size on the physical and chemical properties of MoS2.
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