Flexible thermochromic fabrics enabling dynamic colored display
Received date: 26 Apr 2022
Accepted date: 14 Jun 2022
Published date: 15 Sep 2022
Copyright
Color-changeable fibers can provide diverse functions for intelligent wearable devices such as novel information displays and human–machine interfaces when woven into fabric. This work develops a low-cost, effective, and scalable strategy to produce thermochromic fibers by wet spinning. Through a combination of different thermochromic microcapsules, flexible fibers with abundant and reversible color changes are obtained. These color changes can be clearly observed by the naked eye. It is also found that the fibers exhibit excellent color-changing stability even after 8000 thermal cycles. Moreover, the thermochromic fibers can be fabricated on a large scale and easily woven or implanted into various fabrics with good mechanical performance. Driven by their good mechanical and physical characteristics, applications of thermochromic fibers in dynamic colored display are demonstrated. Dynamic quick response (QR) code display and recognition are successfully realized with thermochromic fabrics. This work well confirms the potential applications of thermochromic fibers in smart textiles, wearable devices, flexible displays, and human–machine interfaces.
Key words： Thermochromic fibers; Fabric code; Information interaction; Wet spinning
Pan Li , Zhihui Sun , Rui Wang , Yuchen Gong , Yingting Zhou , Yuwei Wang , Xiaojuan Liu , Xianjun Zhou , Ju Ouyang , Mingzhi Chen , Chong Hou , Min Chen , Guangming Tao . Flexible thermochromic fabrics enabling dynamic colored display[J]. Frontiers of Optoelectronics, 2022 , 15(3) : 40 . DOI: 10.1007/s12200-022-00042-3
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