Real-time oxide evolution of copper protected by graphene and boron nitride barriers

Miriam Galbiati, Adam Carsten Stoot, David Mackenzie, Peter Bøggild, Luca Camilli

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Abstract

Applying protective or barrier layers to isolate a target item from the environment is a common approach to prevent or delay its degradation. The impermeability of two-dimensional materials such as graphene and hexagonal boron nitride (hBN) has generated a great deal of interest in corrosion and material science. Owing to their different electronic properties (graphene is a semimetal, whereas hBN is a wide-bandgap insulator), their protection behaviour is distinctly different. Here we investigate the performance of graphene and hBN as barrier coatings applied on copper substrates through a real-time study in two different oxidative conditions. Our findings show that the evolution of the copper oxidation is remarkably different for the two coating materials.
Original languageEnglish
Article number39770
JournalScientific Reports
Volume7
Number of pages7
ISSN2045-2322
DOIs
Publication statusPublished - 2017

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