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Introduction
Our
research is concerned with the electronic structure of organic
semiconductors.
In contrast to most inorganic semiconductors, organic materials can be processed
easily from solution. This opens up new, highly promising manufacturing
routes such as ink-jet printing for the low-cost production of
opto-electronic devices such as light-emitting displays (LEDs), solar
cells and transistors.
In order
to advance organic devices it is imperative to understand very clearly
how excited states are generated and what determines their energy and
extent, how they migrate through the semiconductor, and how they decay.
When addressing these issues we focus in particular on the relationship
between electronic, chemical and morphological structure. We therefore
use time-resolved luminescence and absorption spectroscopy in
combination with electrical and structural studies.
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