Event

Organic Transistors and Flexible Electronics for Smart, Biocompatible Sensors and Wearables

Ravi Prakash
Tuesday, May 22, 2018
11:00 - 12:00
ME4124

Abstract:

The recent advancements in polymer semiconductor materials and micro/nanofabrication techniques have yielded exciting developments in the domain of low-cost, flexible electronic devices and systems. The choice of carbon-based semiconductor materials has opened several possibilities for designing electronic system topologies using organic transistor devices, screen-printed disposable sensors and integrated systems for wearable technology and point-of-care applications. Dr. Prakash will present the major accomplishments from his current research activities related to organic transistor and their novel implementation in label-free biosensory systems and microphysiological systems. He will share recent scientific discoveries of the organic semiconductor research group at Queen’s ECE pertaining to low-cost fabrication of p-type organic transistor devices using cross-linked nano-composite polymer dielectrics (submitted), and organic electrolyte-gated field effect transistor microsystem for label-free detection of lysozyme and cortisol (manuscript in preparation). He will also share his long-term vision for several targeted application areas including chemical and biological sensors, micro-physiological and electro-physiological systems, low-cost point-of-care diagnostics and environmental monitoring applications.

 

Biography:

Ravi Prakash is an Assistant Professor in the Department of Electrical and Computer Engineering, Queen’s University. He received his B.Sc. degree (2008) in Mechanical and Biomedical Engineering from Indian Institute of Technology Madras, India, and his M.Sc. (2010) and Ph.D. (2013) in Electrical and Computer Engineering from University of Calgary, Canada. Prior to joining Queen’s in January 2017, his research contributions were primarily in the fields of Lab-on-Chip micro-devices, and disposable point-of-care biosensors utilizing cost-effective copolymer materials, electro-chemical methods and micro/nanotechnology fabrication techniques for detection of infectious pathogens in human specimens.

 

At Queen’s, he has established the ‘Organic Semiconductor Laboratory (OSL)’ to investigate organic transistor-based label-free chemical and biological sensors, screen-printed, flexible organic electronic components for wearable sensors and human-device interfacing, and system-level integration of multi-component micro-and nano-sensory systems. OSL research initiatives have attracted potential collaborators at institutions in Ontario, across Canada and internationally, as well as securing a strong cluster of Canadian company partners.

 

His career accomplishments over the past eight years include over 25 peer-reviewed publications, including 14 journal publications, 10 conference publications, over 10 invited talks/seminars and 2 patents. He is a licensed professional engineer in the province of Ontario, and member of several technical organizations including Institute of Electrical and Electronics Engineers (IEEE), the IEEE Engineering in Medicine and Biology Society, IEEE Sensors Council, and the Canadian Engineering Education Association (CEEA). He serves as peer- reviewer for the Lab on a Chip journal published by the Royal Society of Chemistry and the Sensors journal published by MDPI.

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