Laser-induced graphene (LIG) fabrication, while streamlined, produces amorphous structures leading to high resistivity. This paper presents a flash Joule heating (FJH) method (F-LIG) to rapidly rectify LIG's topological defects, improving conductivity fivefold and enhancing performance in soft electronics and low-voltage disinfection. A strain sensor using F-LIG/polydimethylsiloxane exhibited an 800% improvement in gauge factor compared to pristine LIG.
Publisher
Nature Communications
Published On
Apr 04, 2024
Authors
Le Cheng, Chi Shun Yeung, Libei Huang, Ge Ye, Jie Yan, Wanpeng Li, Chunki Yu, Fu-Rong Chen, Hanchen Shen, Ben Zhong Tang, Yang Ren, Xinge Yu, Ruquan Ye
Tags
Laser-induced graphene
flash Joule heating
conductivity improvement
soft electronics
strain sensor
gauge factor
defect rectification
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