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Metalation and coordination reactions of 2H-meso-trans-di(p-cyanophenyl)porphyrin on Ag(111) with coadsorbed cobalt atoms

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Abstract

We investigated the metalation and coordination reactions of Co with 2H-5,15-bis(para-cyanophenyl)-10,20-bisphenylporphyrin (2HtransDCNPP) on a Ag(111) surface by scanning tunneling microscopy. At room temperature (RT), 2HtransDCNPPs self-assemble into a supramolecular structure stabilized by intermolecular hydrogen bonding. The metalation of 2HtransDCNPP is achieved either by depositing Co atoms onto the supramolecular structure at RT, or, alternatively, by depositing the molecules onto a submonolayer Co-precovered Ag(111) surface with a subsequent heating to 500 K. In addition, the molecules coordinate to Co atoms through the N atoms in the peripheral cyano groups with a preference of isolated 4-fold coordination motifs at RT.

Graphical abstract: Metalation and coordination reactions of 2H-meso-trans-di(p-cyanophenyl)porphyrin on Ag(111) with coadsorbed cobalt atoms

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Publication details

The article was received on 17 Aug 2018, accepted on 14 Sep 2018 and first published on 14 Sep 2018


Article type: Paper
DOI: 10.1039/C8CP05255G
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    Metalation and coordination reactions of 2H-meso-trans-di(p-cyanophenyl)porphyrin on Ag(111) with coadsorbed cobalt atoms

    J. Kuliga, L. Zhang, M. Lepper, D. Lungerich, H. Hölzel, N. Jux, H. Steinrück and H. Marbach, Phys. Chem. Chem. Phys., 2018, Advance Article , DOI: 10.1039/C8CP05255G

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