Journal Article

FZJ-2015-03351

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Unexpected interplay of bonding height and energy level alignment at heteromolecular hybrid interfaces

Stadtmüller, B. (Corresponding Author)FZJ* ; Lüftner, D. ; Willenbockel, M. ; Reinisch, E. M. ; Sueyoshi, T.FZJ* ; Koller, G. ; Subach, S.FZJ* ; Ramsey, M. G. ; Puschnig, P. ; Tautz, F. S.FZJ* ; Kumpf, C. (Corresponding Author)FZJ*

2014
Nature Publishing Group London

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Please use a persistent id in citations: http://hdl.handle.net/2128/24463  doi:10.1038/ncomms4685

Abstract: Although geometric and electronic properties of any physical or chemical system are always mutually coupled by the rules of quantum mechanics, counterintuitive coincidences between the two are sometimes observed. The coadsorption of the organic molecules 3,4,9,10-perylene tetracarboxylic dianhydride and copper-II-phthalocyanine on Ag(111) represents such a case, since geometric and electronic structures appear to be decoupled: one molecule moves away from the substrate while its electronic structure indicates a stronger chemical interaction, and vice versa for the other. Our comprehensive experimental and ab-initio theoretical study reveals that, mediated by the metal surface, both species mutually amplify their charge-donating and -accepting characters, respectively. This resolves the apparent paradox, and demonstrates with exceptional clarity how geometric and electronic bonding parameters are intertwined at metal–organic interfaces.

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Contributing Institute(s):

1. Funktionale Nanostrukturen an Oberflächen (PGI-3)
2. JARA-FIT (JARA-FIT)

Research Program(s):

1. 422 - Spin-based and quantum information (POF2-422) (POF2-422)

Appears in the scientific report 2015

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Database coverage:
; ; BIOSIS Previews ; Current Contents - Agriculture, Biology and Environmental Sciences ; Current Contents - Life Sciences ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 10 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection ; Zoological Record

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