Engineering of Advanced Materials

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Cluster of Excellence

Engineering of Advanced Materials

Friedrich-Alexander-Universität Erlangen-Nürnberg


Cluster of Excellence
Engineering of
Advanced Materials (EAM)

Nägelsbachstrasse 49b
91052 Erlangen, Germany
01. March 2017

Picture of the month: Scrutinizing individual porphyrin molecules at room-temperature with scanning tunneling microscopy

One of the main goals within the EAM is the controlled fabrication of functional structures and materials from molecules. To do so we follow a bottom-up approach, in which we rely on the adsorption behavior of functional molecules, namely porphyrins, on various substrates. In the present study, 2H-tetrakis(3,5-di-tertbutyl)phenylporphyrin (2HTTBPP) has been investigated on a Cu(110) surface by scanning tunneling microcopy (STM). Due to the unusual strong molecule-substrate inter-action, high resolution imaging and thus characterization of individual porphyrins can be conducted even at room-temperature.

Zhang, L.; Lepper, M.; Stark, M.; Schuster, R.; Lungerich, D.; Jux, N.; Steinrück, H.-P.; Marbach, H.
2H-Tetrakis(3,5-di-tert-butyl)phenylporphyrin on a Cu(110) Surface: Room-Temperature Self-Metalation and Surface-Reconstruction-Facilitated Self-Assembly. 
Chem. Eur. J. 2016, 22, 3347–3354.

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