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Strain-Driven Faceting of Graphene-Catalyst Interfaces.
- Source :
-
Nano letters [Nano Lett] 2023 Mar 08; Vol. 23 (5), pp. 1659-1665. Date of Electronic Publication: 2023 Feb 06. - Publication Year :
- 2023
-
Abstract
- The interfacial interaction of 2D materials with the substrate leads to striking surface faceting affecting its electronic properties. Here, we quantitatively study the orientation-dependent facet topographies observed on the catalyst under graphene using electron backscatter diffraction and atomic force microscopy. The original flat catalyst surface transforms into two facets: a low-energy low-index surface, e.g. (111), and a vicinal (high-index) surface. The critical role of graphene strain, besides anisotropic interfacial energy, in forming the observed topographies is revealed by molecular simulations. These insights are applicable to other 2D/3D heterostructures.
Details
- Language :
- English
- ISSN :
- 1530-6992
- Volume :
- 23
- Issue :
- 5
- Database :
- MEDLINE
- Journal :
- Nano letters
- Publication Type :
- Academic Journal
- Accession number :
- 36745111
- Full Text :
- https://doi.org/10.1021/acs.nanolett.2c03911