Printed Electronics tagged posts

Aerosol jet printing creates durable, low-power transistors for next-generation tech

Printing electronic parts for next-generation technologies
Aerosol jet printer at Argonne used to deposit custom nanoparticle inks and build printed electronic parts for low-power transistor devices. Credit: Argonne National Laboratory

Tiny electronic devices, called microelectronics, may one day be printed as easily as words on a page, thanks to new research from scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory. Building on years of progress in printed electronics, the team has shown how to create durable, low-power electronic switches, called transistors, by combining custom inks and a specialized printing process.

These switches, which control the flow of electrical current to turn circuits on and off, use very little power, are built to last and show new behaviors not seen in earlier printed devices...

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The Ink of the Future in Printed Electronics

The Polymer ink. The blue one is the donor polymer solution, while the red one is the acceptor polymer solution. Both pristine polymers are non-conductive because there are no free moving charges inside the polymers. When they meet each other, electrons from the donor polymer will automatically be transferred to the acceptor polymer, leaving free moving charges on both polymers.THOR BALKHED

Ground-state electron transfer in all-polymer donor-acceptor heterojunctions. A research group led by Simone Fabiano at the Laboratory of Organic Electronics, Linköping University, has created an organic material with superb conductivity that doesn’t need to be doped. They have achieved this by mixing two polymers with different properties.

In order to increase the conductivity of polymers, ...

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