Invited Speaker, Track 2: Advanced Manufacturing of Printed and Flexible Electronics

Tingrui Pan

University of California, USA
Presenter Bio

Prof. Tingrui Pan is a Professor in the Department of Biomedical Engineering at UC Davis.  Leading the Micro-Nano Innovations (MiNI) Group, his research interests span a wide range of topics in bioengineering frontiers, including flexible and wearable technologies, lab-on-a-chip microfluidics, mobile health and personalized medicine.  Prof. Pan has been known for inventing a new category of mechanical sensors, known as Flexible Iontronic Sensors (FITS), with the highest reported pressure-to-capacitance sensitivity and the largest signal-to-noise ratio, utilizing an elastic electronic double layer interface, both highly essential to dynamic wearable environments.  Prof. Pan has authored over 100 refereed publications, received more than $20 million federal and private research funding, and held more than 20 US patents/patent applications.  His translational activities lead to formation of multiple high-tech startup companies and more than 10 of his co-inventions have been successfully licensed.  He is the founding Director of UC Davis Global Research and Education in Advanced Technologies (GREAT) Program, a flagship educational outreach program.  Professor Pan is an elected Fellow of American Institute for Medical and Biological Engineering (AIMBE) and Royal Society of Chemistry (RSC).

Abstract: TI²: Tactile Iontronic Intelligence for Wearable Healthcare
Personalized medicine has become extremely popular subjects to explore in both industries and academia recently, in which a variety of wearable and flexible electronic technologies have been emerged to facilitate such transformative changes.  As the next phase of personalized healthcare, tactile sensing and intelligence offer a completely new means to obtain body vital signs and health information, where a high-sensitivity, noise-proof sensing mechanism with long-term functionality and wearability can play a critical role in real-world implementation, while the existing mechanical sensing technologies (i.e., resistive, capacitive, or piezoelectric) have yet offered satisfactory performance to address them all. Here, we have first introduced an emerging supercapacitive sensing modality, known as flexible iontronic sensing (FITS), with a variety of material selections for wearable pressure and tactile sensing using an elastic ionic-electronic interface. Notably, the sub-nano iontronic sensing structure offers an extraordinarily high mechanical-to-electrical sensitivity, which is at least 10,000 times higher than its capacitive counterparts, and three orders of magnitude thinner than any existing pressure sensors, with a single-Pascale pressure resolution, achieving high levels of noise immunity and signal stability for a wide range of wearable health applications. In addition, its fabrication process is fully compatible with existing industrial manufacturing and can enable its new utilities in emerging personalized medical and healthcare uses in a foreseeable future.

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