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Article Dans Une Revue Nanoscale Advances Année : 2021

Probing the coupling between the components in a graphene–mesoporous germanium nanocomposite using high-pressure Raman spectroscopy

Résumé

The nature of the interface between the components of a nanocomposite is a major determining factor in the resulting properties. Using a graphene-mesoporous germanium nanocomposite with a core-shell structure as a template for complex graphene-based nanocomposites, an approach to quantify the interactions between the graphene coating and the component materials is proposed. By monitoring the pressure-induced shift of the Raman G-peak, the degree of coupling between the components, a parameter that is critical in determining the properties of a nanocomposite, can be evaluated. In addition, pressure-induced transformations are a way to tune the physical and chemical properties of materials, and this method provides an opportunity for the controlled design of nanocomposites.
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hal-03188429 , version 1 (02-04-2021)

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Paternité - Pas d'utilisation commerciale

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Denis Machon, Stéphanie Sauze, Richard Arès, Abderraouf Boucherif. Probing the coupling between the components in a graphene–mesoporous germanium nanocomposite using high-pressure Raman spectroscopy. Nanoscale Advances, 2021, ⟨10.1039/d1na00123j⟩. ⟨hal-03188429⟩
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