Unraveling giant Cu(110) surface restructuring induced by a non-planar phthalocyanine

Kalashnyk, Nataliya; Rochford, Luke A.; Li, Dongzhe; Smogunov, Alexander; Dappe, Yannick J.; Jones, Tim S.; Guillemot, Laurent

Unraveling giant Cu(110) surface restructuring induced by a non-planar phthalocyanine

Dateien

Zu diesem Dokument gibt es keine Dateien.

Datum

2018

Autor:innen

Kalashnyk, Nataliya

Rochford, Luke A.

Li, Dongzhe

Smogunov, Alexander

Dappe, Yannick J.

Jones, Tim S.

Guillemot, Laurent

DOI (zitierfähiger Link)

https://doi.org/10.1007/s12274-017-1887-6

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Nano Research. 2018, 11(5), pp. 2605-2611. ISSN 1998-0124. eISSN 1998-0000. Available under: doi: 10.1007/s12274-017-1887-6

Zusammenfassung

The surface stability of coinage metals is paramount when they are used as electrode materials for functional electronic devices incorporating organic semiconductors. In this work, it is shown that the adsorption of non-planar vanadyl phthalocyanine molecules on Cu(110) drastically restructured the metal surface at room temperature, which was further enhanced upon moderate annealing. Scanning tunneling microscopy imaging demonstrated that the surface was restructured at step edges into sawtooth features that gradually replaced the (110) terraces. The edges of the modified steps were preferentially composed of chiral (1×6) kink sites decorated with vanadyl phthalocyanine molecules adsorbed in a tilted configuration with the oxygen atom pointing downwards. These results can have a strong impact on the optimization of the performance of organic devices integrated with phthalocyanine molecules.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

KALASHNYK, Nataliya, Luke A. ROCHFORD, Dongzhe LI, Alexander SMOGUNOV, Yannick J. DAPPE, Tim S. JONES, Laurent GUILLEMOT, 2018. Unraveling giant Cu(110) surface restructuring induced by a non-planar phthalocyanine. In: Nano Research. 2018, 11(5), pp. 2605-2611. ISSN 1998-0124. eISSN 1998-0000. Available under: doi: 10.1007/s12274-017-1887-6

BibTex

@article{Kalashnyk2018-05-12Unrav-42695,
  year={2018},
  doi={10.1007/s12274-017-1887-6},
  title={Unraveling giant Cu(110) surface restructuring induced by a non-planar phthalocyanine},
  number={5},
  volume={11},
  issn={1998-0124},
  journal={Nano Research},
  pages={2605--2611},
  author={Kalashnyk, Nataliya and Rochford, Luke A. and Li, Dongzhe and Smogunov, Alexander and Dappe, Yannick J. and Jones, Tim S. and Guillemot, Laurent}
}

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    <dcterms:abstract xml:lang="eng">The surface stability of coinage metals is paramount when they are used as electrode materials for functional electronic devices incorporating organic semiconductors. In this work, it is shown that the adsorption of non-planar vanadyl phthalocyanine molecules on Cu(110) drastically restructured the metal surface at room temperature, which was further enhanced upon moderate annealing. Scanning tunneling microscopy imaging demonstrated that the surface was restructured at step edges into sawtooth features that gradually replaced the (110) terraces. The edges of the modified steps were preferentially composed of chiral (1×6) kink sites decorated with vanadyl phthalocyanine molecules adsorbed in a tilted configuration with the oxygen atom pointing downwards. These results can have a strong impact on the optimization of the performance of organic devices integrated with phthalocyanine molecules.</dcterms:abstract>
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