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MEMS/MatSci Seminar: Materials for Transient Electronics

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Wednesday, August 29, 2018
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12:00 pm - 1:00 pm
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John A. Rogers, Northwestern University
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MEMS/MatSci Seminar Series

A remarkable feature of modern integrated circuit technology is its ability to operate in a stable fashion, with almost perfect reliability, without physical or chemical change. Recently developed classes of electronic materials create an opportunity to engineer the opposite outcome, in the form of 'transient' devices that dissolve, disintegrate or otherwise disappear at triggered times or with controlled rates. Water-soluble transient electronics open up interesting possibilities for applications in zero-impact environmental monitors, 'green' consumer electronics and bio-resorbable biomedical implants - none of which can be achieved with technologies that exist today. This presentation describes the foundational concepts in chemistry, materials science and assembly processes for bioresorbable electronics in 1D, 2D and 3D architectures, the latter enabled by approaches that draw inspiration from the ancient arts of kirigami and origami. Wireless sensors of intracranial temperature, pressure and electrophysiology designed for use in treatment of traumatic brain injury and nerve stimulators configured for accelerated neuroregeneration serve as application examples.

Contact: Katie Krieger