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Graphene paves way for molecular electronics

Posted: 13 Feb 2012     Print Version  Bookmark and Share

Keywords:research  nanotechnology  electronic components  graphene 

Researchers have developed a new nanotechnology platform for the development of molecule based electronic components using graphene. A team of researcher from the Nano-Science Centre at the University of Copenhagen claimed that they have solved a problem that has challenged researchers from around world for ten years.

"Using chemical and physical processes, we are now able to produce such large flakes of graphene that we can use the flakes as components in an entirely new technology platform within molecule-based electronics," said nano-chemist Kasper Nørgaard, one of the team.

More than 10 years ago, it was proclaimed that nanotechology could revolutionise computer technology, it was in part because many imagined that the development of molecular electronics was just around the corner.

"Molecular electronics involves replacing traditional electrical components with molecules, creating tiny electronic circuits for use in, for example, computers and data storage. This has proven to be more challenging than anticipated, in part because the components short-circuited when the molecules were contacted with electrodes and were therefore unable to create a workable circuit. Graphene is the solution to the problem."

"We can now place one of our graphene flakes on top of the molecules, protecting the system from short circuits. That is how we developed a new technology platform for use in the development of new electronics based on molecules," added Nørgaard.

The researchers are trying to use molecules with different properties in the platform, for example, molecules that can alternate between being conductive and non-conductive. "This paves the way for the electronics of the future in areas such as memory technology, ultra-thin displays and solar cells."





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