Nature and Plastics Inspire Breakthrough in Soft Sustainable Materials

Typography

Step aside hard, rigid materials.

Step aside hard, rigid materials. There is a new soft, sustainable electroactive material in town — and it’s poised to open new possibilities for medical devices, wearable technology and human-computer interfaces.

Using peptides and a snippet of the large molecules in plastics, Northwestern University materials scientists have developed materials made of tiny, flexible nano-sized ribbons that can be charged just like a battery to store energy or record digital information. Highly energy efficient, biocompatible and made from sustainable materials, the systems could give rise to new types of ultralight electronic devices while reducing the environmental impact of electronic manufacturing and disposal.

The study was published today (Oct. 9) in the journal Nature.

With further development, the new soft materials could be used in low-power, energy-efficient microscopic memory chips, sensors and energy storage units. Researchers also could integrate them into woven fibers to create smart fabrics or sticker-like medical implants. In today’s wearable devices, electronics are clunkily strapped to the body with a wristband. But, with the new materials, the wristband itself could have electronic activity.

Read more at: Northwestern University

This illustration shows a future vision of assemblies of molecules formed by peptides and miniature molecular pieces present in a plastic material to create “ferroelectric” structures that switch polarity to store digital information or signal neurons. (Photo Credit: Mark Seniw/Center for Regenerative Medicine/Northwestern University)