Phthalocyanine adsorption to graphene on Ir(111): Evidence for decoupling from vibrational spectroscopy
Journal Article
·
· Journal of Chemical Physics
- Bremen Center for Computational Materials Science, University Bremen, D-28359 Bremen (Germany)
Phthalocyanine molecules have been adsorbed to Ir(111) and to graphene on Ir(111). From a comparison of scanning tunneling microscopy images of individual molecules adsorbed to the different surfaces alone it is difficult to discern potential differences in the molecular adsorption geometry. In contrast, vibrational spectroscopy using inelastic electron scattering unequivocally hints at strong molecule deformations on Ir(111) and at a planar adsorption geometry on graphene. The spectroscopic evidence for the different adsorption configurations is supported by density functional calculations.
- OSTI ID:
- 22415354
- Journal Information:
- Journal of Chemical Physics, Vol. 141, Issue 18; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-9606
- Country of Publication:
- United States
- Language:
- English
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