Massive conformational changes during thermally induced self-metalation of 2H-tetrakis-(3,5-di-tert-butyl)-phenylporphyrin on Cu(111)

M. Stark; S. Ditze; M. Lepper; L. Zhang; H. Schlott; F. Buchner; M. Röckert; M. Chen; O. Lytken; H.-P. Steinrück; H. Marbach

doi:10.1039/C4CC03708A

Massive conformational changes during thermally induced self-metalation of 2H-tetrakis-(3,5-di-tert-butyl)-phenylporphyrin on Cu(111)†

M. Stark,^a S. Ditze,^a M. Lepper,^a L. Zhang,^a H. Schlott,^a F. Buchner,‡^a M. Röckert,^a M. Chen,§^a O. Lytken,^a H.-P. Steinrück^a and H. Marbach*^a

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^a Lehrstuhl für Physikalische Chemie II, Egerlandstrasse 3 and Interdisciplinary Center for Molecular Materials (ICMM), Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
E-mail: hubertus.marbach@fau.de

Abstract

Based on a combined scanning tunnelling microscopy and X-ray photoelectron spectroscopy study we present detailed insights into pronounced changes of long-range order and intramolecular conformation during the self-metalation of 2H-5,10,15,20-tetrakis-(3,5-di-tert-butyl)-phenylporphyrin (2HTTBPP) to CuTTBPP on Cu(111). Upon metalation, the porphyrin literally “pops up” from the surface, due to a drastically reduced molecule–substrate interaction.

This article is part of the themed collection: Scanning Probe Studies of Molecular Systems

Chemical Communications

Massive conformational changes during thermally induced self-metalation of 2H-tetrakis-(3,5-di-tert-butyl)-phenylporphyrin on Cu(111)†

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Massive conformational changes during thermally induced self-metalation of 2H-tetrakis-(3,5-di-tert-butyl)-phenylporphyrin on Cu(111)

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