Chemistry Seminar

Flow of Energy & Charge in Porphyrin Nanostructures, Professor Harry L. Anderson, Oxford University Department of Chemistry
Thursday, September 8, 2016 - 11:40am
French Family Science Center 2231

Arrays of chlorophyll molecules harvest energy from sunlight and transfer it efficiently to the reaction center via ultrafast energy migration during photosynthesis. This lecture will present synthetic light-harvesting systems that mimic these energy transfer processes. Recent results on the delocalization of singlet excited states, triplet excited states and charge in porphyrin-based nanostructures will also be presented, including charge-transport measured through single molecules. A recurring question in these experiments is whether transport occurs by quantum coherent tunneling or incoherent multi-step hopping. The study of aromaticity and antiaromaticity in cyclic delocalized states will be discussed as a test for coherence.


Link for Professor Anderson