Thickness-Dependent Morphologies of Gold on N-Layer Graphenes

Details Thickness-Dependent Morphologies of Gold on N-Layer Graphenes Thickness-Dependent Morphologies of Gold on N-Layer Graphenes

2011-03-23

arxiv.org/abs/1103.4444v1

Physics

Chemical Physics

Scientific paper

10.1021/ja909228n

We report that gold thermally deposited onto n-layer graphenes interacts differently with these substrates depending on the number layer, indicating the different surface properties of graphenes. This results in thickness-dependent morphologies of gold on n-layer graphenes, which can be used to identify and distinguish graphenes with high throughput and spatial resolution. This technique may play an important role in checking if n-layer graphenes are mixed with different layer numbers of graphene with a smaller size, which cannot be found by Raman spectra. The possible mechanisms for these observations are discussed.

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