Self-healing actuatable electroluminescent fibres

Xuemei Fu, Guanxiang Wan, Hongchen Guo, Han-Joon Kim, Zijie Yang, Yu Jun Tan, John S. Ho and Benjamin C. K. Tee ()
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Xuemei Fu: National University of Singapore
Guanxiang Wan: National University of Singapore
Hongchen Guo: National University of Singapore
Han-Joon Kim: National University of Singapore
Zijie Yang: National University of Singapore
Yu Jun Tan: National University of Singapore
John S. Ho: National University of Singapore
Benjamin C. K. Tee: National University of Singapore

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Alternating-current electroluminescent fibres are promising candidates as light sources for smart textiles and soft machines. However, physical damage from daily use causes device deterioration or failure, making self-healable electroluminescent fibres attractive. In addition, soft robots could benefit from light-emitting combined with magnetically actuated functions. Here, we present a self-healing and actuatable Scalable Hydrogel-clad Ionotronic Nickel-core Electroluminescent (SHINE) fibre which achieves a record luminance of 1068 cd × m−2 at 5.7 V × μm−1. The SHINE fibre can self-heal across all constituent layers after being severed, recovering 98.6% of pristine luminance and maintaining for over 10 months. SHINE fibre is also magnetically actuatable due to the ferromagnetic nickel electrode core, enabling a soft robotic fibre with omnidirectional actuation and electro-luminescence. Our approach to this multifunctional fibre broadens the design of fibre electronics and fibre robots, with applications in interactive displays and damage-resilient navigation.

Date: 2024
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DOI: 10.1038/s41467-024-53955-2

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