The carbon chain growth during the onset of CVD graphene formation on γ-Al <sub>2</sub> O <sub>3</sub> is promoted by unsaturated CH <sub>2</sub> ends
Qi Zhao, Masanori Yamamoto, Kaoru Yamazaki, Hirotomo Nishihara, Rachel Crespo‐Otero, Devis Di Tommaso
Abstract
Atomistic calculations reveal the steps controlling the early stages of graphene growth on alumina, including the activation of CH 4 and the formation of the reactive CH 2 * intermediate that couple to form linear C n H 2 n * ( n = 2–6) and cyclic C 6 species.
Topics & Concepts
GrapheneNucleationDissociation (chemistry)Chemical vapor depositionCatalysisCarbon fibersChemistryChemical engineeringMethaneMaterials scienceNanotechnologyChemical physicsPhysical chemistryOrganic chemistryComposite materialComposite numberEngineeringGraphene research and applicationsDiamond and Carbon-based Materials ResearchAdvancements in Battery Materials