![]() ![]() They maintained conductivity to the 50% strain with stable signal and demonstrated increased sensitivity. Furthermore, we discovered that these sensors have post-fracture signal recovery. We demonstrate that encapsulated sensors have increased mechanical robustness and stability, displaying a significantly larger linear dynamic range (~50%) and increased stretchability (260% elongation). We introduced an encapsulation layer to crack-based wrinkled metallic thin film soft strain sensors as an avenue to improve sensor stretchability, linear response, and robustness. Encapsulation is one technique to protect sensors from both environmental and mechanical stressors. ![]() Practical wearable applications of soft strain sensors require sensors capable of not only detecting subtle physiological signals, but also of withstanding large scale deformation from body movement. ![]()
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