Monday, January 10, 2011

Record: The fastest printed circuits

American researchers have created flexible high-performance electronics by combining nanotubes and a new non-conductor.

The flexible electronics has a significantly higher switching speed than other circuits produced by means of printing processes. Furthermore the printed electronics ensures easy mass production, low prices and flexibility of the final product. "Printing processes permit all that; this field, however, has been dominated by organic semiconductors whose performance is comparably low" explains Mark Hersam, Professor of materials science and engineering.

The project manager Daniel Friesbie and Hersam combined only the very pure semiconducting nanotubes with the non-conducting gel and thus created circuits with record performances.

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In their study the researchers report that flexible electronics resulted from the process that switch at frequencies of two kilohertz - at a voltage of 2.5 volts. "The colleagues have built components and circuits via printing processes whose speed at room temperature has never been reached so far" says John Rogers, professor of materials science at the University of Illinois at Urbana-Champaign. "These results are so exciting because they show that there are important and realistic applications for carbon nanotubes in electronics."

More details in the study:

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