Imaging perylene derivatives on rutile TiO2(110) by noncontact atomic force microscopy

DC FieldValueLanguage
dc.contributor.authorSchuette, J.
dc.contributor.authorBechstein, R.
dc.contributor.authorRahe, P.
dc.contributor.authorRohlfing, M.
dc.contributor.authorKuehnle, A.
dc.contributor.authorLanghals, H.
dc.date.accessioned2021-12-23T16:11:04Z-
dc.date.available2021-12-23T16:11:04Z-
dc.date.issued2009
dc.identifier.issn24699950
dc.identifier.urihttps://osnascholar.ub.uni-osnabrueck.de/handle/unios/9515-
dc.description.abstractThe adsorption of 3,4,9,10-perylene tetracarboxylic diimide derivative molecules on the rutile TiO2(110) surface was investigated by noncontact atomic force microscopy and density-functional theory (DFT) calculations. After submonolayer deposition, individual molecules are observed to adsorb with their main axis aligned along the [001] direction and centered on top of the bridging oxygen rows. Depending on the tip termination, two distinctly different molecular contrasts are achieved. In the first mode, the molecules are imaged as bright elongated features, while in another mode the molecules appear with a bright rim and a dark bow-shaped center. Comparison with the defect density on the bare TiO2(110) surface suggests that the molecules preferentially anchor to surface defects. Our DFT calculations reveal details of the molecular adsorption position, confirming the experimentally observed adsorption on top of the bridging oxygen rows. The DFT results indicate that diffusion along the rows should be quite easily possible, while diffusion perpendicular to the rows seems to be hindered by a significant energy barrier.
dc.description.sponsorshipGerman Research Foundation (DFG)German Research Foundation (DFG); Niedersachsen PhD; This work was supported by the German Research Foundation (DFG) through the Emmy Noether program and the Niedersachsen PhD program ``Synthesis and Characterization of Surfaces and Interfaces assembled from Clusters and Molecules.''
dc.language.isoen
dc.publisherAMER PHYSICAL SOC
dc.relation.ispartofPHYSICAL REVIEW B
dc.subjectADSORPTION
dc.subjectatomic force microscopy
dc.subjectAU(111)
dc.subjectdensity functional theory
dc.subjectGROWTH
dc.subjectLOW-COST
dc.subjectMaterials Science
dc.subjectMaterials Science, Multidisciplinary
dc.subjectMOLECULES
dc.subjectorganic compounds
dc.subjectORGANIC FILMS
dc.subjectPhysics
dc.subjectPhysics, Applied
dc.subjectPhysics, Condensed Matter
dc.subjectPTCDA
dc.subjectRESOLUTION
dc.subjectSTM
dc.subjectSURFACE
dc.subjectsurface diffusion
dc.titleImaging perylene derivatives on rutile TiO2(110) by noncontact atomic force microscopy
dc.typejournal article
dc.identifier.doi10.1103/PhysRevB.79.045428
dc.identifier.isiISI:000262978400109
dc.description.volume79
dc.description.issue4
dc.contributor.orcid0000-0002-2768-8381
dc.contributor.researcheridF-3361-2011
dc.contributor.researcheridC-5080-2011
dc.contributor.researcheridE-8038-2011
dc.identifier.eissn24699969
dc.publisher.placeONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
dcterms.isPartOf.abbreviationPhys. Rev. B
dcterms.oaStatusGreen Published
crisitem.author.deptFB 04 - Physik-
crisitem.author.deptidfb04-
crisitem.author.orcid0000-0002-2768-8381-
crisitem.author.parentorgUniversität Osnabrück-
crisitem.author.netidRaPh610-
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