Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 10, Issue 23, Pages 6163-6171Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200400451
Keywords
chemical vapor deposition; nanoflowers; nanostructures; sulfides
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Large-scale MoS2 and WS2 inorganic fullerene-like (IF) nanostructures (onionlike nanoparticles, nanotubes) and elegant three-dimensional nanoflowers (NF) have been selectively prepared through an atmospheric pressure chemical vapor deposition (APCVD) process with the reaction of chlorides and sulfur. The morphologies were controlled by adjusting the deposition position, the deposition temperature, and the flux of the carrier gas. All of the nanostructures have been characterized by X-ray powder diffraction (XRD), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). A reaction mechanism is proposed based on the experimental results. The surface area of MoS2 IF nanoparticles and the field-emission effect of as-prepared WS2 nanoflowers is reported.
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