![]() Skin-interfaced biosensors for advanced wireless physiological monitoring in neonatal and pediatric intensive-care units. ![]() Skin electronics from scalable fabrication of an intrinsically stretchable transistor array. Materials and optimized designs for human–machine interfaces via epidermal electronics. We use the n-type elastomer–semiconductor–elastomer stack, together with other stretchy electronic materials, to build elastic transistors, digital logic gates, complementary electronics, p–n photodetectors and an active matrix multiplexed deformable imager. ![]() It also improves the long-term stability of the semiconductor in an ambient environment. The structure suppresses the formation and propagation of microcracks and can be stretched by up to 50% with negligible loss of performance. Here we show that a brittle n-type organic semiconductor can be made mechanically stretchable by integrating into a stack with an elastomer–semiconductor–elastomer architecture. The development of such devices has typically focused on the creation of stretchy p-type semiconductors, and the lack of suitable stretchy n-type semiconductors limits the potential of stretchable integrated systems. Elastic integrated electronics are of potential use in a range of emerging applications, particularly those that require devices that can form an interface with soft biological tissue.
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