In
ground-breaking research for the fast-growing global electronic
industry, researchers have invented what they call the world's cheapest
and fastest thin-film organic transistors.
This new technology has
the potential to achieve the high performance needed for
high-resolution TV screens and similar electronic devices in an
inexpensive way, said the researchers.
Engineers from University
of Nebraska-Lincoln (UNL) and Stanford University created thin-film
organic transistors that could operate more than five times faster than
previous examples of this experimental technology.
The team led by
Zhenan Bao, professor of chemical engineering at Stanford, and Jinsong
Huang, assistant professor of mechanical and materials engineering at
UNL, used the process to make cheaper organic thin-film transistors with
electronic characteristics comparable to those found in expensive,
curved-screen TV displays based on silicon technology.
They
achieved the speed boost by altering the basic process for making thin
film organic transistors, said the study published in the journal Nature
Communications.
The researchers called this improved method 'off-centre spin coating'.
Even
at this initial stage, 'off-centre spin coating' produced transistors
with a range of speeds far above those of previous organic
semiconductors and comparable to the performance of the polysilicon
materials used in today's high-end electronics, claimed the study.
Further
improvements to this experimental process could lead to the development
of inexpensive, high-performance electronics built on transparent
substrates such as glass and, eventually, clear and flexible plastics,
the study said.
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