Stretchable materials, such as gels and elastomers, are attractive materials in diverse applications. Their versatile fabrication platforms enable the creation of materials with various physiochemical properties and geometries. However, the mechanical performance of traditional stretchable materials is often hindered by the deficiencies in their energy dissipation system, leading to lower fracture resistance and impeding their broader range of applications. Therefore, the synthesis of fracture-resistant stretchable materials has attracted great interest. This review comprehensively summarizes key design considerations for constructing fracture-resistant stretchable materials, examines their synthesis strategies to achieve elevated fracture energy, and highlights recent advancements in their potential applications.
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Article Synopsis
- Integrated stretchable devices face issues with electrical performance due to debonding at connections between soft and rigid modules under stress.
- A new conductive and adhesive bilayer interface connects these modules effectively, using a combination of a SEBS elastomer layer and a SEBS-liquid metal composite layer.
- This innovative interface allows for impressive strain capabilities and maintains high electrical conductivity (3.7 × 10 S m) even when stretched, paving the way for practical applications in wearable and implantable bioelectronics.
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