Abstract
Fiber electronics is a key research area for realizing wearable microelectronic devices. Significant progress has been made in recent years in developing the geometry and composition of electronic fibers. In this review, we present that recent progress in the architecture and electrical properties of electronic fibers, including their fabrication methods. We intensively investigate the structural designs of fiber-shaped devices: coaxial, twisted, three-dimensional layer-by-layer, and woven structures. In addition, we introduce remarkable applications of fiber-shaped devices for energy harvesting/storage, sensing, and light-emitting devices. Electronic fibers offer high potential for use in next-generation electronics, such as electronic textiles and smart integrated textile systems, which require excellent deformability and high operational reliability.
Highlights
Electronic fiber is a building block of electronic textiles (e-textiles) for developing wearable electronics
Fiber-shaped devices have attracted great attention as a potential alternative to conventional planar-type electronic devices. Because of their structural features, which enable them to be sewn into various fabrics, electronic fibers are an ideal device platform for realizing the three-dimensional (3D) deformability, light weight, breathability, washability, and comfort required for e-textiles [1,2,3]
Electronic devices with different functionalities can be fabricated onto a 1D substrate, and monofunctional fibers can be woven together into an integrated device or e-textile [4]
Summary
Electronic fiber is a building block of electronic textiles (e-textiles) for developing wearable electronics. Fiber-shaped devices have attracted great attention as a potential alternative to conventional planar-type electronic devices Because of their structural features, which enable them to be sewn into various fabrics, electronic fibers are an ideal device platform for realizing the three-dimensional (3D) deformability, light weight, breathability, washability, and comfort required for e-textiles [1,2,3]. Electronic fibers require diverse fabrication methods, such as fused printing, spinning, electrodeposition, chemical vapor deposition, casting, rolling, molding, and thermal drawing [1,6,7,8,9,10,11,12,13] These scalable fabrication processes have themselves been developed to achieve more precise patterning and uniform deposition of the active materials. Sci. 2021, 11, x FOR PEER REVIeElWectronic devices and smart textile systems
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