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Researchers develop electronic skin that glows when it gets hurt

Tuesday November 7, 2017 11:22 AM , ummid.com News Network

Electronic Skin

Washington:
According to a study details of which is published in ACS Applied Materials and Interfaces, researchers have come up with a Jellyfish-inspired electronic skin that glows when it gets hurt.

An electronic skin that can mimic the full range of biological skin's sensitivity has great potential to transform prosthetics and robotics. Current technologies are very sensitive, but only within a narrow range of weak pressures. Under high pressures that could cause damage, the electronic skins' sensitivity fades.

To address this shortcoming, Bin Hu and colleagues at the Huazhong University of Science and Technology turned to the Atolla jellyfish for inspiration. This bioluminescent, deep-sea creature can feel changes in environmental pressure and flashes dramatically when it senses danger.

Building on the idea of a visual warning in response to a physical threat, the researchers combined electric and optical systems in a novel electronic skin to detect both slight and high-force pressures, according to ANI.

They embedded two layers of stretchy, poly-dimethysiloxane, or PDMS, film with silver nanowires. These layers produce an electrical signal in response to slight pressures, such as those created by a breeze or contact with a leaf. Sandwiched in between the silver nanowire electrodes is a PDMS layer embedded with phosphors.

This layer kicks in and glows with growing intensity as the physical force increases.

The researchers said that this approach more closely copies the wide range of pressures the human skin can feel.

 



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