Synthesis of SnS2/SnS fullerene-like nanoparticles: A superlattice with polyhedral shape
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- Synthesis of SnS2/SnS fullerene-like nanoparticles: A superlattice with polyhedral shape
- Hong, Sung You; Popovitz-Biro, R; Prior, Y; Tenne, R
- CLOSED-CAGE STRUCTURES; MISFIT LAYER COMPOUNDS; INORGANIC FULLERENES; LASER-ABLATION; NANOTUBES; MECHANISM; GROWTH; SNSE2
- Issue Date
- AMER CHEMICAL SOC
- JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.125, no.34, pp.10470 - 10474
- Tin disulfide pellets were laser ablated in an inert gas atmosphere, and closed cage fullerene-like (IF) nanoparticles were produced. The nanoparticles had various polyhedra and short tubular structures. Some of these forms contained a periodic pattern of fringes resulting in a superstructure. These patterns could be assigned to a superlattice created by periodic stacking of layered SnS2 and SnS. Such superlattices are reminiscent of misfit layer compounds, which are known to form tubular morphologies. This mechanism adds up to the established mechanism for IF formation, namely, the annihilation of reactive dangling bonds at the periphery of the nanoparticles. Additionally, it suggests that one of the driving forces to form tubules in misfit compounds is the annihilation of dangling bonds at the rim of the layered structure.
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