DPG Phi
Verhandlungen
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DPG

Berlin 2018 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 45: Organic photovoltaics and electronics

HL 45.5: Talk

Thursday, March 15, 2018, 16:00–16:15, EW 203

Flexible Vertical Organic Transistors for MHz Circuits — •Felix Dollinger, Markus P. Klinger, Axel Fischer, Hans Kleemann, and Karl Leo — Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP), Dresden, Germany

Organic large area electronics have the potential to enable fully flexible applications. This requires efficient transistors on flexible substrates as well as capacitors, inductors, and resistors to design an electrical circuit.

We operate Organic Permeable Base Transistors (OPBT) on polymer substrates to combine impressive transistor characteristics, facile manufacturing techniques and mechanical flexibility. Large current densities and on/off-ratios are achieved with simple shadow mask structuring. Currently our flexible devices reach on/off-ratios exceeding 106 and current densities above 1 A/cm2.

Flexible transistors are presented and analyzed for their DC behavior and for frequencies up to the MHz regime. Information on the challenges and solutions connected to the transfer of our thin-film technology from rigid glass-substrates to flexible and bendable polymer substrates will be given. Thin-film capacitors and inductors are produced to fit the needs of a transmitter circuit that we aim to use for indoor wireless localization applications.

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