Aging helps improve organic transistors performance

December 3rd, 2007 - 3:45 pm ICT by admin  

London, Dec 3 (ANI): Ageing is the secret behind a good wine, and this also seems to be true for a plastic transistor that scientists have found doubles its performance if simply left to sit at room temperature for a week.

Pentacene transistors are cheap to mould and they are also a promising candidate for organic electronics.

However, when they are being built, molecules can misalign to form defects, which trap electrons and slow the transistors down.

Now, a study led by Wolfgang Kalb at the Swiss Federal Institute of Technology in Zurich, has found that if a newly made pentacene transistor is left to sit in a vacuum, the defects disappear naturally, reports New Scientist.

Self-healing typically requires heat, but in pentacene the jostling between molecules that occurs at room temperature is enough to realign the molecules and remove the defects.

The study is published in New Scientist magazine. (ANI)

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