Stretchable, biodegradable semiconductors that degrade harmlessly over time could lead to dissolving medical implants and other novel electronic devices.
Developed by a team from Stanford University, the skin-inspired semiconductors are made from a new polymer created by mixing a rubbery organic polymer with a semiconducting one. The combined polymers self-assembled to an elastic, conductive material that can be cut into thin films able to stretch twice their length without damage. The non-toxic material will also degrade after about ten days in a weak acid, though the researchers say the process would take longer in the human body.
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