publication . Article . Preprint . 2016

Oxidation-assisted graphene heteroepitaxy on copper foil

Reckinger, Nicolas; Tang, Xiaohui; Joucken, Frédéric; Lajaunie, Luc; Arenal, Raul; Dubois, Emmanuel; Hackens, Benoît; Henrard, Luc; Colomer, Jean-François;
Open Access English
  • Published: 09 Sep 2016 Journal: Nanoscale, volume 8, issue 44, pages 18,751-18,759 (issn: 2040-3364, eissn: 2040-3372, Copyright policy)
Abstract
We propose an innovative, easy-to-implement approach to synthesize large-area singlecrystalline graphene sheets by chemical vapor deposition on copper foil. This method doubly takes advantage of residual oxygen present in the gas phase. First, by slightly oxidizing the copper surface, we induce grain boundary pinning in copper and, in consequence, the freezing of the thermal recrystallization process. Subsequent reduction of copper under hydrogen suddenly unlocks the delayed reconstruction, favoring the growth of centimeter-sized copper (111) grains through the mechanism of abnormal grain growth. Second, the oxidation of the copper surface also drastically reduc...
Subjects
free text keywords: Condensed Matter - Materials Science
Funded by
EC| GrapheneCore1
Project
GrapheneCore1
Graphene-based disruptive technologies
  • Funder: European Commission (EC)
  • Project Code: 696656
  • Funding stream: H2020 | SGA-RIA
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publication . Article . Preprint . 2016

Oxidation-assisted graphene heteroepitaxy on copper foil

Reckinger, Nicolas; Tang, Xiaohui; Joucken, Frédéric; Lajaunie, Luc; Arenal, Raul; Dubois, Emmanuel; Hackens, Benoît; Henrard, Luc; Colomer, Jean-François;