Conductors and semiconductors for advanced organic electronics

Timo Meyer-Friedrichsen; Andreas Elschner; Frank Keohan; Wilfried Lövenich; Sergei A. Ponomarenko

doi:10.1117/12.826270

20 August 2009 Conductors and semiconductors for advanced organic electronics

Timo Meyer-Friedrichsen, Andreas Elschner, Frank Keohan, Wilfried Lövenich, Sergei A. Ponomarenko

Proceedings Volume 7417, Organic Field-Effect Transistors VIII; 741704 (2009) https://doi.org/10.1117/12.826270
Event: SPIE Photonic Devices + Applications, 2009, San Diego, California, United States

Abstract

The development of suitable materials for organic electronics is still one of the key points to access new application areas with this promising technology. Semiconductors based on thiophene chemistry show very high charge carrier mobilities. The functionalization with linker groups provided materials that built monomolecular layers of the semiconductors on the hydrolyzed oxide surface of a silicon-wafer. This approach lead to self-assembled mono-layer field-effect transistors (SAM-FETs) with mobilities of up to 0.04 cm²/Vs, which is comparable to the values of the respective bulk thin film. Transparent inorganic conductors like ITO are highly conductive but the costly processing and the brittleness hamper their use in cost-sensitive and/or flexible devices. Highly conductive PEDOT-grades have been developed with conductivities of up to 1000 S/cm which are easily applicable by printing techniques and can be used as ITO replacement in devices such as touch panels or organic photovoltaics.

Citation Download Citation

Timo Meyer-Friedrichsen, Andreas Elschner, Frank Keohan, Wilfried Lövenich, and Sergei A. Ponomarenko "Conductors and semiconductors for advanced organic electronics", Proc. SPIE 7417, Organic Field-Effect Transistors VIII, 741704 (20 August 2009); https://doi.org/10.1117/12.826270

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