Nath, Manashi and Rao, C. N. R and Popovitz-Biro, Ronit and Albu-Yaron, Angi and Tenne, Reshef (2004) Nanoparticles Produced by Laser Ablation of HfS3 in Liquid Medium: Inorganic Fullerene-Like Structures of Hf2S. CHEMISTRY OF MATERIALS , 16 (11). pp. 2238-2243.
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Inorganic fullerene-like structures (IF) of the layered hafnium sulfide, Hf2S, have been synthesized by the laser ablation of HfS3 in tert-butyl disulfide medium. Apart from the Hf2S IFs exhibiting quasi-spherical as well as faceted nested-shell geometries, quasi-spherical nanoparticles of HfS were observed by this means. Whereas Hf2S has anti-NbS2 structure with S layers sandwiched between two Hf layers, HfS has the nonlayered WC-type structure. The nanoparticles of HfS show excess sulfur in the core, and they do not possess closed-shell geometry. The mechanism of formation of these nanoparticles has also been discussed.
|Subjects:||Material Science > Nanochemistry|
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||19 Jan 2009 09:04|
|Last Modified:||19 Jan 2009 09:04|
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