Graphene-metal interaction and its effect on the interface stability under ambient conditions
作者： Aiyi Dong , Qiang Fu , Mingming Wei , Xinhe Bao
DOI: 10.1016/J.APSUSC.2017.03.240
关键词:
摘要: Abstract Interaction between graphene (Gr) and metal plays an important role in physics chemistry of graphene/metal interfaces. In this work, well-defined interfaces transition metals (TMs) including Fe, Co, Pt, Au were prepared through TM intercalation on Gr/Ru(0001) surface. The Gr-metal interaction was investigated using X-ray photoelectron spectroscopy ultraviolet spectroscopy. We found that interacts most strongly with Ru, Fe Co weakly Au, following the order Ru ≈ Fe ≈ Co > Pt > Au. Gr/Fe, Gr/Co, Gr/Pt, Gr/Ru can be readily intercalated by oxygen when exposed to air illuminated infrared lamp. contrast, does not happen at Gr/Au interface under same condition. It is suggested both adsorption underlying surface are critical Gr/metal stability.
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