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Interfacial adhesion energy between as-grown graphene and its growth substrate reveals the nature of bonding, as well as provides insights for large-scale roll-to roll graphene transfer. In this study, a novel sample preparation scheme was developed and a unique quasi-static blister test was performed to measure the adhesion energy between as-grown graphene and its copper foil substrate. The copper...
Cleaning copper (Cu) prior graphene deposition, is a crucial step for removing most surface impurities and hence ensuring production of monolayer, large area graphene film with good quality. In this study, we investigated the effect of Cu-cleaning using three different etchants (ammonium persulfate (APS), ferric chloride (FeCl3) and nitric acid (HNO3)) for short and long times (30s and 5min) on Cu...
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