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Stretchable Electrodes with High Conductivity and Photo-Patternability

Authors


  • M. U. and R. D. contributed equally. The authors would like to thank Tim Maugel at the Laboratory for Biology Ultrastructure for assistance in taking the SEM images, Dr. Peter Kofinas and Arthur von Cresce for assistance in microtoming and taking the TEM images, and Professor Inderjit Chopra at the Rotorcraft Center for access to the Instron 8841 tensile tester. We extend a special thanks to Dr. Matthew Bennett for helpful discussions. We would also like to thank Santa Fe Science and Technology, Inc. for the force-strain transducer and the custom Labview software. This material is based upon work supported by the National Science Foundation under Grant No. 0238861. This research was also supported by the Army Research Office through the MAV MURI Program (Grant No. ARMY-W911NF0410176) with Technical Monitor Dr. Gary Anderson.

Abstract

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Electrically conductive materials that are elastomeric and photopatternable are presented. They are capable of achieving strains of up to 150% and thousands of cycles while retaining a low Young's modulus and low resistance. These compliant electrodes are made by mixing platinum salt into an elastomeric photo-polymer, exposing the film to UV light and developing, and then chemically reducing the Pt.

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