Development of organic thin film transistors based on flexible substrates

A concept for organic field effect transistors (OFETs) based on polymeric foils is presented. Starting with a short description of the basic OFET design, the selection of materials used as organic semiconductor, substrate, electrodes and gate insulator is discussed. In order to obtain reference valu...

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Bibliographic Details
Published in:Thin solid films 2005-04, Vol.477 (1), p.140-147
Main Authors: Richter, S., Ploetner, M., Fischer, W.-J., Schneider, M., Nguyen, P.-T., Plieth, W., Kiriy, N., Adler, H.-J.P.
Format: Article
Language:English
Subjects:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Electronics
Exact sciences and technology
Field effect devices
Flexible circuitry
Gate dielectric
Liquid phase epitaxy
deposition from liquid phases (melts, solutions, and surface layers on liquids)
Materials science
Methods of deposition of films and coatings
film growth and epitaxy
Organic field effect transistor (OFET)
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Thiophene derivatives
Transistors
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Summary:A concept for organic field effect transistors (OFETs) based on polymeric foils is presented. Starting with a short description of the basic OFET design, the selection of materials used as organic semiconductor, substrate, electrodes and gate insulator is discussed. In order to obtain reference values from well-characterised test chips, transistor measurements carried out using silicon/silicon dioxide substrates are described. The characteristic values extracted from these measurements serve as input data for the simulation of a ring oscillator to qualify the applicability of the OFETs in simple digital circuits.
ISSN:0040-6090
1879-2731
DOI:10.1016/j.tsf.2004.08.124