Università Cattolica del Sacro Cuore – Sede di Brescia
Self-assembling, metalation and electronic excitations in metalloporphyrin/inorganic interfaces
Nanostructured organic/inorganic interfaces have been recognized as a potential alternative to conventional materials.
In this respect, porphyrins represent a group of molecules which are of great technological and fundamental interest due to their facility to adsorb light, the ability to interact with gases and the involvement in many biological systems. Nevertheless, in order to produce efficient organic-based devices, it is needed a deep understanding of the basic mechanism of molecular packing, molecule-metal morphology growth, and the dynamic of the excited charges.
Here, we report on the preparation of conformationally controlled Zn-tetraphenyl-porphyrin (ZnTPP) single layer on two possible interfaces, Ag(110) and Si(111). Furthermore, the in-situ synthesis and investigation of iron tetraphenylporphyrin (FeTPP) under ultrahigh vacuum conditions are presented.