Dresden 2020 – wissenschaftliches Programm
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HL: Fachverband Halbleiterphysik
HL 48: Organic semiconductors II (joint session HL/CPP)
HL 48.3: Vortrag
Mittwoch, 18. März 2020, 15:45–16:00, POT 112
Vacuum processed single crystalline organic semiconductor thin films for high-performance electronic and optoelectronic device applications — •Shu-Jen Wang1,2, Michael Sawatzski1, Ilia Lashkov1, Yulia Krupskaya2, Hans Kleemann1, Bernd Büchner2, and Karl Leo1 — 1Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP), TU Dresden, Germany — 2Leibniz Institute for Solid State and Materials Research (IFW), Germany
Organic semiconductors enable many technologically important applications such as organic light emitting diodes, solar cells and flexible circuits due to their unique physical properties and chemical structure tunability. Conventional amorphous organic semiconductors show low carrier mobility as their charge transport is limited by their structural order. Therefore, charge transport in organic semiconductors can generally be improved by higher degree of structural order and crystallinity. In this presentation, we will show efficient conversion of vacuum processed amorphous thin films to single crystalline thin films through annealing with appropriate surface treatment. We will also show functional devices such as field-effect transistors and light emitting diodes built on the single crystalline thin films and discuss their potential for high performance circuit and optoelectronics applications.