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Article Dans Une Revue Solid State Sciences Année : 2018

Soft chemistry routes to GeS 2 nanoparticles

Résumé

Spherical GeS2 particles are prepared by a low temperature liquid route with TEOG as germanium precursor and either H2S or thioacetamide (TAA) as sulfur precursors. The size and agglomeration of the particles change depending upon the temperature and nature of the solvent. Most synthesis lead to preparing amorphous GeS2. When the reaction kinetic is slowed down by using TAA at 25 °C, the obtained GeS2 product presents a larger order in the range of few Å as proven by Raman spectroscopy, even though it is still an amorphous compound as suggested by X-Ray diffraction and TEM experiments.

Domaines

Chimie
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Dates et versions

hal-01764109 , version 1 (11-04-2018)

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Citer

Laurence Courthéoux, Romain Mathiaud, Michel Ribes, Annie Pradel. Soft chemistry routes to GeS 2 nanoparticles. Solid State Sciences, 2018, 78, pp.40 - 45. ⟨10.1016/j.solidstatesciences.2018.02.006⟩. ⟨hal-01764109⟩
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