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Wednesday, October 12, 2022 – 12:00PM to 1:00PM
Presenter
Nanshu Lu ( UT Austin)
My research vision is that future humans will be more like robots (i.e., digital, computational, cyber, augmented, etc.) whereas robots will be more like humans (i.e., soft, distributed sensation, continuous actuation, artificial intelligence, etc.). This talk will introduce my research on the mechanics, materials, bio-integration and functionalities of soft electronics based on inorganic electronic materials such as metals, silicon, carbon nanotubes (CNT), and graphene. In particular, epidermal electronics, a.k.a. e-tattoos, represent a class of stretchable circuits, sensors, and stimulators that are ultrathin, ultrasoft, and skin-conformable. My group has invented a dry and freeform "cut-and-paste" method for the rapid prototyping of multimodal, wireless, or very large area e-tattoos that offer high-fidelity biometric sensing and long-term wearability. While e-tattoos are for human wear, e-skins are to be put on robots for them to imitate human sensations. Despite decades of research, soft capacitive pressure sensors still suffer from two bottlenecks - declined sensitivity with increasing pressure and coupled pressure-stretch responses. We therefore engineered a stretchable and ultrasensitive e-skin based on hybrid piezoresistive and piezocapacitive responses. It has enabled an inflatable smart finger with tunable shape and stiffness that is suitable for a variety of tasks.
Hosted by Xiaoyue Ni