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AP Seminar - Nanocarbon Materials for Wearable Physical Sensors

Poster for Website_Prof Zheng_19 Dec 2024
  • Date

    27 Dec 2024

  • Organiser

  • Time

    10:00 - 11:00

  • Venue

    CD620, 6/F, Wing CD, PolyU Map  

Speaker

Prof. Qingbin Zheng

Summary

Wearable piezoresistive physical sensors have attracted tremendous attention due to their broad applications in human-machine interfaces, robotics, health-monitoring, personalized medicine and therapeutics. Conventional metal- and semiconductor-based sensors are rigid, fragile, and opaque, restricting their applications in wearable electronics. Among various nanostructured materials that have been explored to construct stretchable piezoresistive sensors, nanocarbon materials show the potential of achieving improved sensing performance. We present several novel carbon-based interconnected networks including expanded graphite, carbon nanofiber, graphene woven fabric, graphite nanoplatelet welded carbon nanotube networks, wrinkled and crack-bridging graphene film, unidirectional graphene aerogel, and graphene foam as highly sensitive, flexible, and stretchable physical sensors capable of detecting human motions. By bridging the technological gap between signal collection, processing and transmission and allowing data transmission to a smartphone via a custom-developed application consisting of a user-friendly interface, several wearable applications including wireless wearable musical instrument prototype, human motion detection and switch controls are demonstrated. The novel approaches reported here offer a wide range of practical applications, including medical diagnosis, health monitoring, early warning systems for structural failure, and wearable displays.

Keynote Speaker

Prof. Qingbin Zheng

Assistant Professor
School of Science and Engineering, 
The Chinese University of Hong Kong, Shenzhen, China

 

Prof. Zheng received his Ph.D degree from Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology (HKUST) in 2011. Prior to joining School of Science and Engineering (SSE), The Chinese University of Hong Kong, Shenzhen (CUHKSZ) as an Assistant Professor in 2019, he held various academic positions worldwide, including Research Assistant Professor of the Department of Mechanical and Aerospace Engineering at HKUST and Alexander von Humboldt Research Fellow at Leibniz Institute of Polymer Research Dresden, Germany. Prof Zheng has received many awards including Overseas High-Level Young Talent of China, CUHKSZ-SSE Outstanding Faculty Research Award, Research.com Best Materials Science Scientist, Stanford University World's Top 2% Scientist, Presidential Young Fellow of CUHKSZ, Fellow of the International Association of Advanced Materials, Junior Fellow of the HKUST Jockey Club Institute for Advanced Study, and Alexander von Humboldt Fellowship of Germany. Prof. Zheng’s research focuses on advanced carbon materials, ranging from nanocomposites with graphene, carbon nanotubes, carbon nanofibers and 2D materials, to nanostructured materials for various wearable applications. He has published more than 100 peer reviewed papers in top-ranked scientific journals such as Progress in Materials Science, Materials Today, Advanced Materials,  Advanced Functional Materials, ACS Nano, and Angewandte Chemie International Edition, with a total citation of 12000+ and an H-index of 55.

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