Nano Science and Technology Institute
Nanotech 2014 Vol. 1
Nanotech 2014 Vol. 1
Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
 
Chapter 5: Composite Materials
 

Extremely Flexible and Stretchable Carbon Nanotube Composites for Conformal Electronic Devices

Authors:C.W. Landorf, J. Alford, J. Garrison, S. Gibbons, W-S Shih, B.J. Leever, J.D. Berrigan
Affilation:Brewer Science, Inc., US
Pages:340 - 343
Keywords:flexible and stretchable elctroncs carbon nanotube composite printable inks
Abstract:Electronic devices are increasingly being used in products that are not expected to be rigid and flat. Many strategies have been implemented to create electronics that can work under stress and strain that would fracture ordinary silicon architecture. Effective strategies, including zigzag and pre-stretched substrates, can only be effective in one dimension. For true flexibility, the conductive material itself must be designed to function under strain. Using composite materials allows conductive materials to gain some flexibility from the matrix without breaking the connection. We report on an innovative class of printable carbon nanotube composites that maintain connectivity through strain as large as 400%. Through the use of an additive to our carbon nanotube ink, the conductivity of our materials is 47% of the original material conductivity at 100% strain. These materials can be screen printed and cured with standard screen-printing equipment for use in strain sensors with a very large operating range. Integration of such flexible and stretchable conductors and connectors will be a key enabler for wearable electronics.
ISBN:978-1-4822-5826-4
Pages:552
Hardcopy:$209.95
 
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