CT 2

Ladungstransfer an Heterogrenzflächen organischer Halbleiter: Zu einer einheitlichen Beschreibung von Szenarien im Übergangsbereich zwischen Grundzustand bzw. angeregtem Zustand

16/08/2018 to 15/08/2021

In this proposal, we study the charge transfer at organic semiconductor hetero-interfaces using the joint expertise of three groups. Our aim is to obtain a comprehensive understanding of the electronic processes and optical properties involved by combining complementary experimental techniques, including growth and
structural studies, electrical transport investigations, optical spectroscopy and analysis of the electronic structure. Interaction between the involved molecules appear both in the ground state and after optical excitation. Suitable material combinations allowing for
charge transfer across their mutual interfaces will be identified and the electronic properties of the resulting organic semiconductor heterostructures will be studied. The focus is on the degree of charge transfer, the binding energy and the anisotropy of the charge transfer
state, as well as the shape of density of states.