Porphine Homocoupling on Au(111)

Seufert K, McBride F, Jaekel S, Wit B, Haq S, Steiner A, Poli P, Persson M, Raval R, Grill L (2019)

Publication Status: Published

Publication Type: Journal article, Original article

Publication year: 2019

Journal

Journal of Physical Chemistry C American Chemical Society

Publisher: AMER CHEMICAL SOC

Book Volume: 123

Pages Range: 16690-16698

Journal Issue: 27

DOI: 10.1021/acs.jpcc.9b02770

Abstract

The covalent coupling of porphine molecules on Au(111) is studied by scanning probe microscopy experiments and density functional theory. At sufficient temperatures, dehydrogenative C-C coupling of the un-functionalized molecules occurs directly on the surface. Characteristic dimer structures between individual porphine molecules are observed and assigned to various binding motifs that are distinguished by specific intermolecular connections. Different preparations show that the relative abundance of these motifs depends on the temperature of the gold sample during deposition and is explained by calculated free energies and kinetic aspects that are relevant during the linking process. Observations on the gold terraces are completed by studying polymerization at step edges, giving insight into their role during the covalent linking process.

Authors with CRIS profile

Simon Jaekel Lehrstuhl für Physikalische Chemie II

Involved external institutions

The University of Liverpool GB United Kingdom (GB) Technische Universität München (TUM) DE Germany (DE) Karl-Franzens-Universität Graz AT Austria (AT) University of Roehampton GB United Kingdom (GB)

How to cite

APA:

Seufert, K., McBride, F., Jaekel, S., Wit, B., Haq, S., Steiner, A.,... Grill, L. (2019). Porphine Homocoupling on Au(111). Journal of Physical Chemistry C, 123(27), 16690-16698. https://doi.org/10.1021/acs.jpcc.9b02770

MLA:

Seufert, Knud, et al. "Porphine Homocoupling on Au(111)." Journal of Physical Chemistry C 123.27 (2019): 16690-16698.

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