A highly flexible and sensitive piezoresistive sensor based on MXene with greatly changed interlayer distances

Yanan Ma, Nishuang Liu, Luying Li, Xiaokang Hu, Zhengguang Zou, Jianbo Wang, Shijun Luo and Yihua Gao ()
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Yanan Ma: Huazhong University of Science and Technology (HUST)
Nishuang Liu: Huazhong University of Science and Technology (HUST)
Luying Li: Huazhong University of Science and Technology (HUST)
Xiaokang Hu: Huazhong University of Science and Technology (HUST)
Zhengguang Zou: Guangxi University
Jianbo Wang: Wuhan University
Shijun Luo: Hubei University of Automotive Technology
Yihua Gao: Huazhong University of Science and Technology (HUST)

Nature Communications, 2017, vol. 8, issue 1, 1-8

Abstract: Abstract Since the successful synthesis of the first MXenes, application developments of this new family of two-dimensional materials on energy storage, electromagnetic interference shielding, transparent conductive electrodes and field-effect transistors, and other applications have been widely reported. However, no one has found or used the basic characteristics of greatly changed interlayer distances of MXene under an external pressure for a real application. Here we report a highly flexible and sensitive piezoresistive sensor based on this essential characteristics. An in situ transmission electron microscopy study directly illustrates the characteristics of greatly changed interlayer distances under an external pressure, supplying the basic working mechanism for the piezoresistive sensor. The resultant device also shows high sensitivity (Gauge Factor ~ 180.1), fast response (

Date: 2017
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DOI: 10.1038/s41467-017-01136-9

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