Laser-induced porous graphene on Polyimide/PDMS composites andits kirigami-inspired strain sensor

Hao Wang; Zifeng Zhao; Panpan Liu; Xiaogang Guo

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Laser-induced porous graphene on Polyimide/PDMS composites andits kirigami-inspired strain sensor

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The laser-induced porous graphene(LIG)prepared in a straightforward fabrication method is presented,and its applications in stretchable strain sensors to detect the applied strain are also explored.The LIGformed on the polyimide/polydimethylsiloxane(PI/PDMS)composite exhibits a naturally high stretchabil-ity(over 30%),bypassing the transfer printing process compared to the one prepared by laser scribing onPI films.The PI/PDMS composite with LIG shows tunable mechanical and electronic performances withdifferent PI particle concentrations in PDMS.The good cyclic stability and almost linear response of theprepared LIG’s resistance with respect to tensile strain provide its access to wearable electronics.To im-prove the PDMS/PI composite stretchability,we designed and optimized a kirigami-inspired strain sensorwith LIG on the top surface,dramatically increasing the maximum strain value that in linear response toapplied strain from 3%to 79%.

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来源
《力学快报：英文版》 |2021年第2期|P.110-114|共5页
作者
Hao Wang; Zifeng Zhao; Panpan Liu; Xiaogang Guo;
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作者单位

Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 China;

Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 China;

Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 China;

Institute of Advanced Structure Technology Beijing Institute of Technology Beijing 100081 China;

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原文格式 PDF
正文语种 chi
中图分类工程材料学;
关键词
Laser-induced porous graphene; Polyimide(PI)/PDMS composite; kirigami-inspired strain sensor;

Laser-induced porous graphene on Polyimide/PDMS composites andits kirigami-inspired strain sensor

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