ausblenden:
Schlagwörter:
graphene; chemical vapor deposition;
photoelectron spectroscopy; X-ray diffraction; nickel
Zusammenfassung:
How does your graphene grow? In situ X-ray photoelectron spectroscopy and X-ray diffraction measurements during chemical vapor deposition on Ni catalyst films show that graphene forms both isothermally and by precipitation on cooling (see picture). A coherent graphene growth model is devised and sub-surface dissolved carbon is shown to play an important role.
