Printed from http://www.electronista.com

Korean researchers create flexible graphene transistors

updated 08:10 am EDT, Fri October 28, 2011

Researchers use graphene for flex transistors

Korean researchers have developed flexible transistors using graphene to accomplish the feat. The researchers had experimented with a range of conventional materials including molecules, polymers and metals but found them to be ineffective for this purpose. Graphene has an advantage in that it can be integrated using the traditional printing processes at room temperatures without vacuum or high-temperature steps.

The researchers found that graphene made the fabrication process much easier. The method works by first layering sheets of graphene on copper foil and bonding it all to a rubber substrate. Channels are etched onto its surface, then electrodes and gate insulators made of ion gel are printed onto the device.

The technique produces transistors that can be stretched by 5 percent for 1,000 times while still maintaining their electrical properties. Stretching beyond 5 percent caused degradation due to micocracks and other defects emerging.

The aim is to use the technology to create devices in the future that could be used in wearable electronics and sensory skins. [via Physorg]




By Electronista Staff
Post tools:

TAGS :

toggle

Comments

Login Here

Not a member of the MacNN forums? Register now for free.

toggle

Network Headlines

toggle

Most Popular

Sponsor

Recent Reviews

D-Link Wi-Fi Smart Plug

Home automation fans have been getting their fair share of gadgets and accessories in the last few years. Starting with light bulbs an ...

Razer Kraken Pro headset

Gaming headphones are a challenge to get right, for a long list of reasons that are unique to the consumer buying them. Some shoppers ...

Patriot Aero Wireless Mobile Drive

Regardless of how large a tablet you buy, you always want more space. There's always one more movie or another album you'd cram on, if ...

Sponsor

toggle

Most Commented

 
toggle

Popular News