Beyond Skin Pressure Sensing: 3D Printed Laminated Graphene Pressure Sensing Material Combines Extremely Low Detection Limits with Wide Detection Range

Kunli Cao; Miao Wu; Jiabao BaiZhen WenJianwei ZhangTianyi WangMeiwen PengTao LiuZheng JiaZhiqiang LiangLin Jiang

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Beyond Skin Pressure Sensing: 3D Printed Laminated Graphene Pressure Sensing Material Combines Extremely Low Detection Limits with Wide Detection Range

机译：Beyond Skin Pressure Sensing: 3D Printed Laminated Graphene Pressure Sensing Material Combines Extremely Low Detection Limits with Wide Detection Range

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Artificial intelligence robots predicted in sci-fi movies have attractedincreasing attention in recent years, and much effort has been devoted toimproving the sensing and manipulation performance of robots. The developmentof robotic skins capable of handling complex external pressure environmentsis highly desired for intelligent robots. However, this remains a majorchallenge due to the lack of pressure sensing materials that can combineextremely low detection limits and wide detection ranges. Inspired by the synergisticstrategy of dual mechanoreceptors in human skin, here, the designand 3D printing of laminated graphene pressure sensing materials consistingof both ultrathin- and thick-walled cellular microstructures are demonstrated.Based on such laminated graphene, the piezoresistive pressure sensorachieves a low detection limit of 1 Pa, a wide detection range (1 Pa–400 kPa),and high sensitivities of 3.1 and 0.22 kPa~(?1) in the pressure regions of1 Pa–13 kPa and 13?400 kPa, respectively, and the laminated graphenebasedskin enables quantitative pressure/weight detection. This laminatedgraphene can be easily integrated into flexible pressure sensing arrays thatenable mapping the spatial distribution of pressure, showing great potentialfor applications such as electronic skin, physiological signal monitoring, andhuman–machine interfaces.

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《Advanced functional materials》 |2022年第28期|2202360.1-2202360.10|共10页
作者
Kunli Cao; Miao Wu; Jiabao BaiZhen WenJianwei ZhangTianyi WangMeiwen PengTao LiuZheng JiaZhiqiang LiangLin Jiang;
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作者单位

Institute of Functional Nano and Soft Materials Laboratory (FUNSOM)and Jiangsu Key Laboratory for Carbon-Based Functional Materials andDevicesSoochow UniversitySuzhou, Jiangsu 215123, P. R. China;

Department of Engineering MechanicsZhejiang UniversityHangzhou, Zhejiang 310027, P. R. China;

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正文语种英语
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3D printing; bioinspired laminated graphene; low detection limit; pressure sensing materials; wide detection range;

Beyond Skin Pressure Sensing: 3D Printed Laminated Graphene Pressure Sensing Material Combines Extremely Low Detection Limits with Wide Detection Range

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