Structural design of light-emitting fibers and fabrics for wearable and smart devices

Yu, Xiaoxiao; Chen, Linfeng; Zhang, Junyan; Yan, Wei; Hughes-Riley, Theo; Cheng, Yanhua; Zhu, Meifang

doi:10.1016/j.scib.2024.05.042

Science Bulletin

2024

DOI: 10.1016/j.scib.2024.05.042

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Structural design of light-emitting fibers and fabrics for wearable and smart devices

Xiaoxiao Yu,

Linfeng Chen,

Junyan Zhang

et al.

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2024

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Cited by 3 publications

References 101 publications

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Advances in luminescent fibers for interactive smart textiles

Xu,

Fan,

Chen

et al. 2024

cMat

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Recent advancements in luminescent fibers are transforming textiles by integrating lighting and display functionalities into fabrics for applications such as health monitoring, dynamic displays, and adaptive camouflage. Active electroluminescent fibers, powered by electric fields, enable tunable light emission, while passive photoluminescent fibers rely on photoluminescence or triboluminescence to emit light. Although challenges remain in achieving uniform luminescence and ensuring durability, breakthroughs in materials science, structural engineering, and system integration are addressing these issues. Innovations such as chipless electroluminescent textiles and thermally drawn photoluminescent fibers highlight significant progress, pointing toward a future where clothing facilitates health monitoring and dynamic interaction, advancing natural human–machine interfaces.

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Advances in luminescent fibers for interactive smart textiles

Xu,

Fan,

Chen

et al. 2024

cMat

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Scalable Production of Functional Fibers with Nanoscale Features for Smart Textiles

Liu,

Chen,

et al. 2024

ACS Nano

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Functional fibers, retaining nanoscale characteristics or nanomaterial properties, represent a significant advance in nanotechnology. Notably, the combination of scalable manufacturing with cutting-edge nanotechnology further expands their utility across numerous disciplines. Manufacturing kilometer-scale functional fibers with nanoscale properties are critical to the evolution of smart textiles, wearable electronics, and beyond. This review discusses their design principles, manufacturing technologies, and key advancements in the mass production of such fibers. In addition, it summarizes the current applications and state of progress in scalable fiber technologies and provides guidance for future advances in multifunctional smart textiles, by highlighting the upcoming impending demands for evolving nanotechnology. Challenges and directions requiring sustained effort are also discussed, including material selection, device design, large-scale manufacturing, and multifunctional integration. With advances in functional fibers and nanotechnology in large-scale production, wearable electronics, and smart textiles could potentially enhance human−machine interaction and healthcare applications.

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Stretchable Thermochromic Fluorescent Fibers Based on Self-Crystallinity Phase Change for Smart Wearable Displays

Guo,

Hu,

Zhan

et al. 2024

Polymers

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Smart fibers with tunable luminescence properties, as a new form of visual output, present the potential to revolutionize personal living habits in the future and are receiving more and more attention. However, a huge challenge of smart fibers as wearable materials is their stretching capability for seamless integration with the human body. Herein, stretchable thermochromic fluorescent fibers are prepared based on self-crystallinity phase change, using elastic polyurethane (PU) as the fiber matrix, to meet the dynamic requirements of the human body. The switching fluorescence-emitting characteristic of the fibers is derived from the reversible conversion of the dispersion/aggregation state of the fluorophore coumarin 6 (C6) and the quencher methylene blue (MB) in the phase-change material hexadecanoic acid (HcA) during heating/cooling processes. Considering the important role of phase-change materials, thermochromic fluorescent dye is encapsuled in the solid state via the piercing–solidifying method to avoid the dissolution of HcA by the organic solvent of the PU spinning solution and maintain excellent thermochromic behavior in the fibers. The fibers obtained by wet spinning exhibit good fluorescent emission contrast and reversibility, as well as high elasticity of 800% elongation. This work presents a strategy for constructing stretchable smart luminescence fibers for human–machine interaction and communications.

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Structural design of light-emitting fibers and fabrics for wearable and smart devices

Cited by 3 publications

References 101 publications

Advances in luminescent fibers for interactive smart textiles

Advances in luminescent fibers for interactive smart textiles

Scalable Production of Functional Fibers with Nanoscale Features for Smart Textiles

Stretchable Thermochromic Fluorescent Fibers Based on Self-Crystallinity Phase Change for Smart Wearable Displays

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