[MOS] April 30, 2013

[Zina M Queen]

Modern Optics and Spectroscopy 

Supramolecular Exciton Highways in Self-Assembled Light-Harvesting Antennas

 

Dörthe Eisele

Massachusetts Institute of Technology

 

Tuesday, April 30, 2013 

12:00 – 1:00 p.m.

Light-harvesting complexes in Nature consist of molecular building-blocks assembled into hierarchical structures. Currently, humans are emulating nature’s highly efficient light-harvesting systems by assembling nanoscale building-blocks into higher-order structured morphologies. While the role of morphology and dimensionality in the building blocks themselves—carbon nanotubes, quantum dots, quantum rods, and chromophores—is well-studied, little is known about how the morphology and dimensionality of supramolecular systems, both natural and artificial, affects opto-electronic properties such as exciton energy transport. I will discuss how the formation of higher-order architectures of a light-harvesting system (figure), assembled from supramolecular building-blocks, modifies their excitonic properties.

  

Grier Room, MIT Bldg 34-401

Refreshments served after the lecture

 
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