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Proceedings Paper

Dynamic and lifetime measurements of polymer OFETs and integrated plastic circuits
Author(s): Juergen Ficker; Andreas Ullmann; Walter Fix; Henning Rost; Wolfgang Clemens
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Paper Abstract

Organic Field-effect Transistors (OFETs) with poly(3-alkylthiophene) (P3AT) as semiconductor on flexible polymeric substrate and organic insulator in top gate construction were prepared. These transistors show a high field-effect mobility, good saturation behavior for low biases and rather high on-off ratio. The transistors were characterized through dynamic and lifetime measurements. A switching speed of 38 kHz at a 3 dB modulation depth was reached in a single transistor. The shelf-lives of the transistors exceeded six months without any special encapsulation. In addition different integrated plastic circuits (IPC) were constructed consisting of several organic transistors including NAND/NOR gates, bi-stable flip-flops and ring-oscillators with a oscillating frequency of 68 Hz.

Paper Details

Date Published: 21 December 2001
PDF: 8 pages
Proc. SPIE 4466, Organic Field Effect Transistors, (21 December 2001); doi: 10.1117/12.451471
Show Author Affiliations
Juergen Ficker, Siemens AG (Germany)
Andreas Ullmann, Siemens AG (Germany)
Walter Fix, Siemens AG (Germany)
Henning Rost, Siemens AG (Germany)
Wolfgang Clemens, Siemens AG (Germany)


Published in SPIE Proceedings Vol. 4466:
Organic Field Effect Transistors
Denis Fichou; Zhenan Bao, Editor(s)

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