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Adsorption and conformation of porphyrins on metallic surfaces
University of Hamburg.
Linköping University, Department of Physics, Chemistry and Biology, Computational Physics . Linköping University, The Institute of Technology.
Radboud University.
Radboud University.
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2009 (English)In: JOURNAL OF VACUUM SCIENCE and TECHNOLOGY B, ISSN 1071-1023 , Vol. 27, no 2, 799-804 p.Article in journal (Refereed) Published
Abstract [en]

Tetraphenyl porphyrins (TPP) belong to a highly interesting class of molecules with a large variety of electronic, magnetic, and structural properties. So far, local investigations by scanning probe techniques were primarily focused on larger agglomerates of TPP molecules. Here, experimental results of the observation and manipulation of isolated molecules adsorbed on cold metal substrates by means of low temperature scanning tunneling microscopy are presented. Depending on the surface geometry, i.e., Cu(111) VS, Cu(100) three distinct deformations of the molecular structure are identified reflecting the interaction of the phenyl periphery with the substrate. In a second step, controlled manipulation in terms of deformation of the porphyrin core, ligand dissociation, and lateral displacement of the phenyl periphery are demonstrated.

Place, publisher, year, edition, pages
2009. Vol. 27, no 2, 799-804 p.
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-18552DOI: 10.1116/1.3010722OAI: diva2:220584
Available from: 2009-06-01 Created: 2009-06-01 Last updated: 2009-06-01

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Linares, Mathieu
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Computational Physics The Institute of Technology
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