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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Feldman, Yishai
Laboratori Guglielmo Marconi (Italy)
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2022Polymer Gel with Tunable Conductive Properties: A Material for Thermal Energy Harvesting
- 2021Calcium Sulfate Hemihydrate (Bassanite) Crystals in the Wood of the Tamarix Treecitations
- 2020Archaeological Ceramic Diagenesis: Clay Mineral Recrystallization in Sherds from a Late Byzantine Kiln, Israelcitations
- 2019A Nanoscopic View of Photoinduced Charge Transfer in Organic Nanocrystalline Heterojunctionscitations
- 2018Expanding the boundaries of metal depositioncitations
- 2017Real-time plasmon spectroscopy study of the solid-state oxidation and Kirkendall void formation in copper nanoparticlescitations
- 2013New deposition technique for metal films containing inorganic fullerene-like (IF) nanoparticlescitations
- 2011Alleviating fatigue and failure of NiTi endodontic files by a coating containing inorganic fullerene-like WS2 nanoparticlescitations
- 2008Fullerene-like Mo(W)1-xRexS2 nanoparticlescitations
- 2007Fabrication of self-lubricating cobalt coatings on metal surfacescitations
- 2004Non-crystalline pyroelectric BaTiO3 thin filmscitations
- 2003Solution-processed anodes from layer-structure materials for high-efficiency polymer light-emitting diodescitations
- 2003Evidences for dry deintercalation in layered compounds upon controlled surface charging in x-ray photoelectron spectroscopycitations
- 2002Synthesis and properties of alkali metal intercalated fullerene-like MS2 (M=W,MO) nanoparticles
- 2002Alkali metal intercalated fullerene-like MS2 (M = W, Mo) nanoparticles and their propertiescitations
Places of action
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document
Synthesis and properties of alkali metal intercalated fullerene-like MS2 (M=W,MO) nanoparticles
Abstract
Layered metal disulfides - MoS2 and WS2 in the form of fullerene-like (IF) nanoparticles and in the form of platelets (crystallites of the 2H polytype) have been intercalated by exposure to alkali metal (potassium and sodium) vapor using a two-zone transport method. The composition of the intercalated systems was established using X-ray energy dispersive spectrometer (EDS) and X-ray photoelectron spectroscopy (XPS). X-ray powder diffraction (XRD) analysis and transmission electron microscopy (TEM) of the samples, which were not exposed to the ambient atmosphere, showed that they suffered little change in their lattice parameters. On the other hand, after exposure to ambient atmosphere, substantial increase in the interplanar spacing (3-5 Angstrom) was observed for the intercalated phases. Insertion of one to two water molecules per intercalated metal atom was suggested as a possible explanation for this large expansion along the c-axis. The modifications in magnetic and transport properties of the intercalated materials were investigated, and are believed to occur via charge transfer from the alkali metal to the conduction band of the host lattice. Restacking of the MS2 layers after prolonged exposure to the atmosphere and recovery of the pristine compound properties were observed as a result of deintercalation of the metal atoms.