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Constructing conductive titanium carbide nanosheet (MXene) network on natural rubber foam framework for flexible strain sensor

文献类型： 外文期刊

作者： Ding, Hongda 1 ; Luo, Zirong 1 ; Kong, Na 1 ; Li, Zhifeng 1 ; Zhao, Pengfei 1 ; Zhang, Jizhen 2 ; Tao, Jinlong 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Guangdong Prov Key Lab Nat Rubber Proc, Zhanjiang 524001, Peoples R China

2.Deakin Univ, Inst Frontier Mat, Geelong Waurn Ponds Campus, Geelong, Vic 3216, Australia

期刊名称：JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS （ 影响因子：2.779； 五年影响因子：2.401 ）

ISSN： 0957-4522

年卷期： 2022 年 33 卷 19 期

页码：

收录情况： SCI

摘要： Sensors, as one of the crucial components of wearable electronics, have attracted much attention due to their extensive application in healthcare, human-machine interfaces, electronic skins (E-skins), rehabilitation, and internet of things. However, there is still a challenge to fabricate flexible strain sensors with both good sensitivity and large working strain range. Herein, a facile, scalable, and low-cost strategy is developed to prepare highly sensitive strain sensors based on natural rubber foam and Ti3C2Tx nanosheeets (MXene/NR) by dip-coating method. The fabricated MXene/NR composite exhibits excellent strain sensitivity and large strain range. The gage factor of the MXene/NR composite reaches 14 in the strain range of 0-5% with a low pressure limitation of detection (435 Pa). Additionally, the sensing range is as large as 0-80% of strain and shows good stability during the pressing and relaxing cycles. It is demonstrated that the MXene/NR composite could be used to detect motions, such as finger pressing and step monitoring, suggesting it is a promising candidate for fabricating wearable electronics.

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