Figure 1. VSFG spectra of interfacial water at graphene/water interface and comparison of VSFG wettability and adhesion energy (IMAGE)

Institute for Basic Science

Figure 1. VSFG spectra of interfacial water at graphene/water interface and comparison of VSFG wettability and adhesion energy

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(left) VSFG spectra of interfacial water show that a dangling OH peak (3600 cm-1) appears when the graphene is more than 4 layers thick. (right) The calculated VSFG wettability is plotted against adhesion energy from macroscopic observation. Both values coincide closely, which indicates increasing hydrophobicity as the number of graphene layers increases.

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Institute for Basic Science

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