[Todos] HOY: Coloquios DF - Spiros Skourtis (UCY), 14hs, Aula Seminario, 2do piso, Pab. I

[Augusto Roncaglia]

COLOQUIOS DEL DEPARTAMENTO DE F�SICA FCEYN - UBA


              En el Aula Seminario, 2do piso, Pab. I,

              Jueves 4/8, 14hs:

              SPIROS SKOURTIS

              University of Cyprus



*Energy-level and electronic-coupling fluctuation control of molecular and
biomolecular charge transfer reactions*
Molecular electron transfer processes are ubiquitous in biology and
chemistry and are central to the molecular electronics and energy materials
technologies. Biomolecular electron transfer mechanisms are particularly
interesting due to the variety of biomolecular structures that perform
electron transport and the extensive structural fluctuations of biological
macromolecules. These characteristics imply that biomolecular electron
transfer mechanisms are varied, ranging from fully coherent deep tunnelling
to incoherent thermally-activated hopping. I first give a brief review of
central concepts and key questions in the theory of molecular and
biomolecular electron transfer rates. Then, I focus on the roles of
molecular structure motions in determining electron transfer mechanism via
electronic energy level and electronic coupling fluctuations, describing
some recent advances in the field.
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