Ultralow-power organic complementary circuits

Hagen Klauk (), Ute Zschieschang, Jens Pflaum and Marcus Halik
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Hagen Klauk: Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
Ute Zschieschang: Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany
Jens Pflaum: University Stuttgart, Third Institute of Physics, Pfaffenwaldring 57, 70550 Stuttgart, Germany
Marcus Halik: Friedrich-Alexander University Erlangen-Nürnberg, Institute of Polymer Materials, Martensstrasse 7, 91058 Erlangen, Germany

Nature, 2007, vol. 445, issue 7129, 745-748

Abstract: Organics on a roll Organic transistors and circuits show great promise for the realization of futuristic roll-up displays, adaptive sensors for humanoid robots and ubiquitous radio-frequency identification tags. But today's organic circuits require operating voltages of 15 to 30 volts (10 to 20 batteries' worth), and they draw enough power to drain those batteries in a day. To overcome this major hurdle, Hagen Klauk et al. have developed a method of fabricating organic circuits that run on a single 1.5-volt battery for several years. The key to the method is the use of a layer of an insulating organic material just one molecule thick; although the layer is very thin, it leaks only a small amount of current, while it provides for a large capacitance. Two different types of organic semiconductors are used to fabricate transistors, logic gates and ring oscillators.

Date: 2007
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DOI: 10.1038/nature05533

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