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2004
Thermochemistry
E 3000
How Stable Are Inorganic Fullerene-Like Particles? Thermal Analysis (STA)
Inorganic Fullerene-Like NbS2, MoS2, and WS2 in Oxidizing and Inert Atmo45- 014 of
spheres in Comparison with the Bulk Material. — The title nanomaterials and their
bulk counterparts are characterized by simultaneous thermal analysis (TG-DTA) in inert and oxidizing environments at various heating rates. The inorganic fullerene-like
nanoparticles are comparably (though somewhat less) stable against oxidation as well
as decomposition than the bulk material exhibiting the usual plate-like structure.
Choosing the onset temperature of the decomposition step (between 1200 and 1390 °C)
as the criterion of stability, the stability decreases in the order WS2 ≈ MoS2 > NbS2, and
the bulk material reacts mostly at higher temperatures compared to the inorganic fullerene-like phase. — (SCHUFFENHAUER, C.; WILDERMUTH, G.; FELSCHE*, J.;
TENNE, R.; Phys. Chem. Chem. Phys. 6 (2004) 15, 3991-4002; Fachbereich Chem.,
Univ. Konstanz, D-78434 Konstanz, Germany; Eng.) — W. Pewestorf
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