Bulletin of the Chemical Society of Ethiopia

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The structure of niobium-doped MoSe2 and WSe2

Moussa Bougouma, Boubié Guel, Tiriana Segato, Jean B. Legma, Marie-Paule Delplancke Ogletree


Polycrystalline niobium-doped molybdenum and tungsten diselenides were synthesized in silica tubes sealed under secondary vacuum. They were characterized by scanning electron microscopy, electron diffraction, X-ray diffraction, chemical composition and EDX analyses. The morphology of niobium-doped molybdenum solid solutions was shown to depend strongly on the conditions of synthesis, whereas the structural characterization did not.


KEY WORDS:  Polycrystalline niobium-doped molybdenum and tungsten diselenide solid solutions, Doped powders diselenides, Mo1-xNbxSe2, W1-xNbxSe2, SEM, X-ray diffraction, Electron diffraction



Bull. Chem. Soc. Ethiop. 2008, 22(2), 225-236.
AJOL African Journals Online