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

被引：2
作者：
Machon, Denis [1 ,2 ,3 ]
Sauze, Stephanie [1 ,2 ]
Ares, Richard [1 ,2 ]
Boucherif, Abderraouf [1 ,2 ]
机构：
[1] Univ Sherbrooke, Inst Interdisciplinaire Innovat Technol 3IT, 3000 Blvd Univ, Sherbrooke, PQ J1K OAS, Canada
[2] Univ Sherbrooke, Lab Nanotechnol & Nanosyst LN2, Inst Interdisciplinaire Innovat Technol 3IT, CNRS UM1 3463, 3000 Blvd Univ, Sherbrooke, PQ J1K OAS, Canada
[3] Univ Lyon, Univ Claude Bernard Lyon 1, Inst Lumiere Matiere, CNRS UMR 5306, F-69622 Villeurbanne, France
来源：
NANOSCALE ADVANCES | 2021年 / 3卷 / 09期
关键词：
INDUCED AMORPHIZATION; ENERGY; CARBON; GE; DECOMPRESSION; SCATTERING; GRAPHITE; SPECTRA; SILICON; SOLIDS;
D O I：
10.1039/d1na00123j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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.
引用
收藏
页码：2577 / 2584
页数：8
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