Berlin 2008 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 21: POSTERS Colloids, Nanoparticles and Aggregates
CPP 21.2: Poster
Mittwoch, 27. Februar 2008, 16:00–18:30, Poster A
Time resolved fluorescence studies of self-assembling porphyrins — •jȩdrzej szmytkowski1,3, chilla malla reddy2, mihaela carmen balaban3, teodor silviu balaban2,3, and heinz kalt1,3 — 1Karlsruhe Institute of Technology (KIT), Universität Karlsruhe (TH), Institute of Applied Physics, Karlsruhe, Germany — 2Karlsruhe Institute of Technology (KIT), Forschungszentrum Karlsruhe, Institute of Nanotechnology, Karlsruhe, Germany — 3Center for Functional Nanostructures (CFN), Karlsruhe, Germany
There is a great interest in biomimetic antenna systems, which can be used in hybrid solar cells. The self-assembly causes an increase in the harvesting of sunlight in such structures. In order to find novel artificial self-assembling compounds, we have studied the time resolved luminescence of several new diacetyl zinc porphyrins as well as push-pull porphyrins having an electron withdrawing group and an electron donating group directly grafted onto the porphyrin macrocycle and the data have been analyzed using decay associated spectra (DAS). The results show the formation of molecular aggregates in the investigated systems.