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Two-dimensional ketone-driven metal-organic coordination on Cu(111)
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Della Pia, Ada, Riello, Massimo, Lawrence, James M., Stasse, Daphné, Jones, T. S., Bonifazi, Davide, De Vita, Alessandro and Costantini, Giovanni (2016) Two-dimensional ketone-driven metal-organic coordination on Cu(111). Chemistry - A European Journal, 22 (24). pp. 8105-8112. ISSN 0947-6539.
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Official URL: http://dx.doi.org/10.1002/chem.201600368
Abstract
Two-dimensional metal-organic nanostructures based on the binding of ketone groups and metal atoms were fabricated by depositing pyrene-4,5,9,10-tetraone (PTO) molecules on a Cu(111) surface. The strongly electronegative ketone moieties bind to either copper adatoms from the substrate or co-deposited iron atoms. In the former case, scanning tunnelling microscopy images reveal the development of an extended metal-organic supramolecular structure. Each copper adatom coordinates two ketone ligands of two neighbouring PTO molecules, forming chains that are linked together into large islands via secondary van der Waals interactions. Deposition of iron atoms leads to a transformation of this assembly resulting from the substitution of the metal centres. Density functional theory calculations reveal that the driving force for the metal substitution is primarily determined by the strength of the ketone-metal bond, which is higher for Fe compared to Cu. This second class of nanostructures displays a structural dependence on the rate of iron deposition.
Item Type: | Journal Article | |||||||||||||||||||||||||||
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Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | |||||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Nanostructures, Density functionals, Scanning tunneling microscopy, Self-assembly (Chemistry), Surface chemistry | |||||||||||||||||||||||||||
Journal or Publication Title: | Chemistry - A European Journal | |||||||||||||||||||||||||||
Publisher: | Wiley | |||||||||||||||||||||||||||
ISSN: | 0947-6539 | |||||||||||||||||||||||||||
Official Date: | 6 June 2016 | |||||||||||||||||||||||||||
Dates: |
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Volume: | 22 | |||||||||||||||||||||||||||
Number: | 24 | |||||||||||||||||||||||||||
Page Range: | pp. 8105-8112 | |||||||||||||||||||||||||||
Status: | Peer Reviewed | |||||||||||||||||||||||||||
Publication Status: | Published | |||||||||||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||||||||||||||
Date of first compliant deposit: | 5 April 2016 | |||||||||||||||||||||||||||
Date of first compliant Open Access: | 10 May 2016 | |||||||||||||||||||||||||||
RIOXX Funder/Project Grant: |
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