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Printed Electrochemical Devices Using Conducting Polymers as Active Materials on Flexible Substrates
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology.
2005 (English)In: Proceedings of the IEEE, IEEE conference proceedings, 2005, 1339-1347 p.Conference paper (Refereed)
Abstract [en]

This paper reports some of our initial works in pursuit of a simple and low-cost method of fabricating all-organic electrochemical diodes, triodes, and transistors on flexible plastic or paper substrates. Conducting polymer poly(3,4-ethylenedioxythiophene) poly(styrene sulfonate) (PEDOT : PSS), utilized as an active component, is deposited by spin-coating or printing techniques. The devices are directly fabricated from design without the need for masks, patterns, or dies. The output characteristics of both half-wave and full-wave rectifier circuits from two-terminal diodes show stable performances at frequencies below 5 Hz. In three-terminal tunable triodes, threshold voltage can be tuned in the range between 0.25 and 1.6 V. In four-terminal transistors, ambipolar operation function can be realized in one single device. ION/IOFF current ratios of 103-104 have been achieved in the triode and transistor at operating voltages below 3 V. In addition, the device applications in electrochromic displays, logical circuits, as well as the switching speed of the circuits and device stability, are discussed.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2005. 1339-1347 p.
, Proceedings of the IEEE, ISSN 0018-9219 ; 93
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-73408DOI: 10.1109/JPROC.2005.851532OAI: diva2:471835
Available from: 2012-01-03 Created: 2012-01-03

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