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On-surface synthesis of a two-dimensional porous coordination network: Unraveling adsorbate interactions

We present a detailed experimental and theoretical characterization of the adsorption of the perylene derivative 4,9-diaminoperylene-quinone-3,10-diimine (DPDI) on Cu(111) and compare it to its threefold dehydrogenated derivative 3deh-DPDI, which forms in a surface reaction upon annealing. While DPD...

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Main Authors: Matena, Manfred (Author) , Björk, Jonas (Author) , Wahl, Markus (Author) , Lee, Tien-Lin (Author) , Zegenhagen, Jörg (Author) , Gade, Lutz H. (Author) , Jung, Thomas A. (Author) , Persson, Mats (Author) , Stöhr, Meike (Author)
Format: Article (Journal)
Language:English
Published: 5 September 2014
In: Physical review. B, Condensed matter and materials physics
Year: 2014, Volume: 90, Issue: 12
ISSN:1550-235X
DOI:10.1103/PhysRevB.90.125408
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevB.90.125408
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevB.90.125408
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Author Notes:Manfred Matena, Jonas Björk, Markus Wahl, Tien-Lin Lee, Jörg Zegenhagen, Lutz H. Gade, Thomas A. Jung, Mats Persson, and Meike Stöhr
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Summary:We present a detailed experimental and theoretical characterization of the adsorption of the perylene derivative 4,9-diaminoperylene-quinone-3,10-diimine (DPDI) on Cu(111) and compare it to its threefold dehydrogenated derivative 3deh-DPDI, which forms in a surface reaction upon annealing. While DPDI itself does not give rise to long-range ordered structures due to lack of appropriate functional groups, 3deh-DPDI acts as an exoligand in a Cu-coordinated honeycomb network on Cu(111). The main focus of this work lies on the analysis of intermolecular and molecule-substrate interactions by combining results from scanning tunneling microscopy, x-ray photoelectron spectroscopy, x-ray standing wave measurements, and density functional theory. We show, in particular, that the interactions between metal atoms and organic ligands effectively weaken the molecule-surface interactions for 3deh-DPDI leading to an increase in molecule-substrate distances compared to the DPDI precursor. Our experimental findings also shed light on the applicability of current theories, namely van der Waals corrections to density functional theory.
Item Description:Gesehen am 03.09.2020
Physical Description:Online Resource
ISSN:1550-235X
DOI:10.1103/PhysRevB.90.125408

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