• Florian BuchnerEmail author
Part of the Springer Theses book series (Springer Theses)


The technological capabilities towards the generation of smaller minimum feature sizes, e.g., in microelectronics, are fundamentally limited in the top-down approach. An alternative route to generate nanometer sized functional structures is the self-assembly of atoms or molecules on well-defined surfaces [1, 2, 3, 4]. Within this bottom-up strategy, the investigation of large organic molecules on single crystalline surfaces, in particular with scanning tunneling microscopy (STM), has become a fast growing field in surface science. One main motivation lies in the exploration of nanodevice concepts with the perspective to engineer devices with outstanding properties. Additionally, it opens up the possibility to gain detailed insight into the fundamental properties of the utilized molecular building blocks in real space. In this respect, metallo-porphyrinoids appear as ideal candidates due to their versatile functionalities, which are mainly determined by the corresponding central metal. Prominent examples, where porphyrinoids act as main functional building blocks can be found in biological systems, e.g., magnesium porphyrins in chlorophyll [5], cobalt corrin in cobalamin (vitamin B12) [6], or iron porphyrin in heme, which is essential for oxygen transport in the blood stream of mammals [7].


Central Metal Scanning Tunneling Microscopy Technological Capability Scanning Tunneling Microscopy Image Surface Science 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.Department of Chemistry and, PharmacyUniversity Erlangen-NürnbergErlangenGermany

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