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Graphene was synthesized on Cu foil and film by atmospheric pressure chemical vapor deposition (CVD) with CH4 as carbon source. Electron backscattered scattering diffraction (EBSD) characterization demonstrates that the Cu foil surface after the H2-assisted pre-annealing was almost composed of Cu(1 0 0) crystal facet with larger grain size of ~100 μm; meanwhile, the Cu film surface involved a variety of crystal facets of Cu(111), Cu(1 0 0), and Cu(1 1 0). with the relatively small grain size of ~10 μm. The different surface structure led to the distinctive influences of the CH4 and H2 concentrations on the thickness and quality of as-grown graphene. Further data demonstrate that the Cu foil enabled more nucleation densities and faster growth rates at the initial growth stages than the Cu film. Our results are beneficial for understanding the relationship between the metal surface structure and graphene CVD growth.

Titel:	Surface structure deduced differences of copper foil and film for graphene CVD growth
Autor/in / Beteiligte Person:	JUNJUN, TIAN ; BAOSHAN, HU ; ZIDONG, WEI ; YAN, JIN ; ZHENGTANG, LUO ; MEIRONG, XIA ; QINGJIANG, PAN ; YUNLING, LIU
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Applied surface science, Jg. 300 (2014), S. 73-79
Veröffentlichung:	Amsterdam: Elsevier, 2014
Medientyp:	academicJournal
Umfang:	print, 35 ref
ISSN:	0169-4332 (print)
Schlagwort:	General chemistry, physical chemistry Chimie générale, chimie physique Crystallography Cristallographie cristallogenèse Nanotechnologies, nanostructures, nanoobjects Nanotechnologies, nanostructures, nanoobjets Condensed state physics Physique de l'état condensé Sciences exactes et technologie Exact sciences and technology Physique Physics Etat condense: structure, proprietes mecaniques et thermiques Condensed matter: structure, mechanical and thermal properties Etat condense: structure electronique, proprietes electriques, magnetiques et optiques Condensed matter: electronic structure, electrical, magnetic, and optical properties Domaines interdisciplinaires: science des materiaux; rheologie Cross-disciplinary physics: materials science; rheology Croissance film Film growth Cuivre Copper Dépôt chimique phase vapeur CVD Facette Facet Faceta Métal transition Transition elements Structure surface Surface structure Cu Crystal facet Cu foil/film Graphene CVD growth Growth dynamics
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China ; Department of Chemical and Biomolecular Engineering, The Hongkong University of Science and Technology, Kowloon, Hong-Kong ; Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, Heilongjiang University, Harbin 150080, China ; State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Physics and materials science ; Physics of condensed state: electronic structure, electrical, magnetic and optical properties ; Physics of condensed state: structure, mechanical and thermal properties

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Surface structure deduced differences of copper foil and film for graphene CVD growth