How Graphene Is Cut upon Oxidation?
classification
❄️ cond-mat.mtrl-sci
cond-mat.mes-hall
keywords
graphenecarbonylepoxyformingpairsatomiccalculationsdeveloping
read the original abstract
Our first principles calculations reveal that oxidative cut of graphene is realized by forming epoxy and then carbonyl pairs. Direct forming carbonyl pair to tear graphene up from an edge position is not favorable in energy. This atomic picture is valuable for developing effective graphene manipulation means. The proposed epoxy pairs may be related to some long puzzling experimental observations on graphene oxide.
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