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STRETCHABLE COMPOSITE CONDUCTORS FOR FLEXIBLE ELECTRONICS, STRETCHABLE PLASMONIC DEVICES, OPTICAL FILTERS, AND IMPLANTABLE DEVICES AND METHODS FOR MANUFACTURE THEREOF
STRETCHABLE COMPOSITE CONDUCTORS FOR FLEXIBLE ELECTRONICS, STRETCHABLE PLASMONIC DEVICES, OPTICAL FILTERS, AND IMPLANTABLE DEVICES AND METHODS FOR MANUFACTURE THEREOF
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机译:用于柔性电子,可拉伸等离子设备,光学滤波器和可植入设备的可拉伸复合导体及其制造方法
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摘要
New stretchable electrically conductive composite materials comprising at least one polymer and a plurality of nanoparticles are provided, which exhibit high conductivity even at high strain levels. The composite may comprise polyurethane as the polymer and spherical gold nanoparticles. Such materials have conductivity levels as high as 11,000 Scm−1 at 0% strain and 2,400 Scm−1 at 110% strain. Furthermore, certain embodiments of the composite have a maximum tensile strain of 480% while still exhibiting conductivity of 35 Scm−1. The inventive materials are highly flexible, highly conductive and suitable for a variety of applications, especially for advanced medical devices, implants, and flexible electronics. The disclosure also provides methods of making such stretchable electrically conductive nanocomposites, including formation by layer-by-layer and vacuum assisted flocculation. In certain embodiments, stretchable chiral plasmonic composite materials for use as optic devices and methods for making them are provided.
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