Color-tunable light-emitting fibers for pattern displaying textiles

被引:1
|
作者
Liu, Peiyu [1 ,2 ]
Xiang, Yang [1 ,2 ]
Liu, Yue [1 ,2 ]
Peng, Sunny Shulei [3 ]
Zhu, Zhengfeng [1 ,2 ]
Shi, Xiang [1 ,2 ]
Wu, Jingxia [1 ,2 ]
Chen, Peining [1 ,2 ]
机构
[1] Fudan Univ, Inst Fiber Mat & Devices, Dept Macromol Sci, State Key Lab Mol Engn Polymers, Shanghai 200438, Peoples R China
[2] Fudan Univ, Lab Adv Mat, Shanghai 200438, Peoples R China
[3] Fudan Univ, Qingpu Campus, Qingpu Campus, Shanghai 201700, Peoples R China
基金
中国国家自然科学基金;
关键词
MULTICOLOR; DEVICES; WOVEN;
D O I
10.1039/d3tc04009g
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Flexible displays for visual transmission and interaction are indispensable in wearable electronics. Color-tunable light-emitting fibers (CLFs) with wide gamut are promising candidates to realize full-color pattern displaying for smart electronic textiles, but have not been reported yet. Herein, thousands of meters of color-tunable light-emitting fibers with multilayer coaxial structure are fabricated by a facile step-by-step solution deposition process. Real-time color tuning is achieved by mixing luminescent spectra from ZnS:Cu and ZnS:Mn phosphor layers with different dielectric constants under external electric fields. The CLFs could emit colors from orange, white, blue to blue-violet by varying the applied voltages. The luminescence performances of the light-emitting fibers are well maintained under long-term high temperature and ultra-violet radiation tests, and after 10 000 cycles of folding deformation. The luminescence intensity varied less than 10% along the fiber with an investigated length of 100 meters. These light-emitting fibers are precisely woven into smart electronic textiles displaying desirable colorful patterns. Color-tunable light-emitting fibers are prepared by designing double-stacked emitting layers with different dielectric constants through a solution deposition process. They could be woven into flexible textiles for colorful pattern displaying.
引用
收藏
页码:941 / 947
页数:7
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