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C2.01 - Polarization Energy in Organic Semiconductors: Impact of Molecular Packing 
April 21, 2014   3:30pm - 4:00pm

Polarization energy is defined as the energy difference between ionization potentials [or electron affinities] in the gas phase and in the solid state upon addition of a positive [or negative] charge. It is one of the main microscopic parameters governing charge transport in organic semiconductors in general, as well as charge separation at donor/acceptor interfaces in organic solar cells. In this presentation, we discuss how much polarization energy depends on the details of molecular packing. We take pentacene and TIPS-pentacene as representative examples.

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