Growth and properties of few-layer graphene prepared by chemical vapor deposition
By H. Park, Jannik C. Meyer, S. Roth, V. Skákalová. 2009
363 citations recorded by the source corpus.
Abstract The structure and the electrical, mechanical and optical properties of few-layer graphene (FLG) synthesized by chemical vapor deposition (CVD) on a Ni-coated substrate were studied. Atomic resolution transmission electron microscope (TEM) images show highly crystalline single-layer parts of the sample changing to multi-layer domains where crystal boundaries are connected by chemical bonds. This suggests two different growth mechanisms. CVD and carbon segregation participate in the growth process and are responsible for the different structural formations found. Measurements of the electrical and mechanical properties on the centimeter scale provide evidence of a large scale structural continuity: (1) in the temperature dependence of the electrical conductivity, a non-zero value near 0 K indicates the metallic character of electronic transport; (2) Young’s modulus of a pristine polycarbonate film (1.37 GPa) improves significantly when covered with FLG (1.85 GPa). The latter indicates an extraordinary Young modulus value of the FLG-coating of TPa orders of magnitude. Raman and optical spectroscopy support the previous conclusions. The sample can be used as a flexible and transparent electrode and is suitable for use as special membranes to detect and study individual molecules in high-resolution TEM.
Subfields: Electrical and Electronic Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/f8459e957476138e62ae3d9254fb5d911531cb6a
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In Electrical and Electronic Engineering
In Materials Chemistry
Citations in the corpus
- Experimental Review of Graphene (2011, background): “It was also shown that sheet resistance increases with decreasing temperature [101].”
- Valley-polarized exciton–polaritons in a monolayer semiconductor (2017, methodology): “[50] Hye Jin Park, Jannik Meyer, Siegmar Roth, and Viera Skákalová, “Growth and properties of few-layer graphene prepared by chemical vapor deposition,” Carbon 48, 1088–1094 (2010).”