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Nature 457, 667-668 (5 February 2009) | doi:10.1038/457667a; Published online 4 February 2009

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Solid-state physics: Electrons in the fast lane

Henning Sirringhaus1

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Organic semiconductors that operate through the conduction of positive charges are the first choice for use in printable electronic circuitry. A device that uses electrons instead has just joined the rankings.

Transistors, the semiconductor electronic switches at the heart of any integrated circuit, come in two main flavours: p-type transistors, which switch on when a negative voltage is applied to the device's control electrode (gate); and n-type, which switch on with a positive gate voltage. Most silicon integrated circuits make use of a combination of the two types to produce complementary circuits.

  1. Henning Sirringhaus is at the Cavendish Laboratory, University of Cambridge, Thomson Avenue, Cambridge CB3 0HE, UK.
    Email: hs220@cam.ac.uk

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