Page 09/20/2014 04:44:31

Jhonathan just can't stop :) (This time in APL!)

Jhonathan just can’t stop – his latest is showing 1000% stretching in mono-crystalline silicon (single spiral) whereas 30 folds in arrays!
Just accepted in APL and kudos to Armando of Prof. Foulds’ group too for this collaborative work.
Stretchable electronic systems can play instrumental role for reconfigurable macro-electronics such as distributed sensor networks for wearable and bio-integrated electronics. Typically polymer composite based materials and its deterministic design as interconnects are used to achieve such systems. Nonetheless, non-polymeric inorganic silicon is the predominant material for 90% of electronics. Therefore, we report the design and fabrication of an all silicon based network of hexagonal islands connected through spiral springs to form an ultra-stretchable arrangement for complete compliance to highly asymmetric shapes. Several design parameters are considered and their validation is carried out through finite element analysis. The fabrication process is based on conventional microfabrication techniques and the measured stretchability is more than 1000% for single spirals and area expansions as high as 30 folds in arrays. The reported method can provide ultra-stretchable and adaptable electronic systems for distributed network of high-performance macro-electronics especially useful for wearable electronics and bio-integrated devices.
Way to go, Jhonathan! I definitely want to see you upon my return but if that does not happen, you will always be remembered for being the giant to lend the shoulder to take Integrated Nanotechnology Lab @ KAUST to a height which is definitely enviable …