MXene/air-laid paper composite sensors for both tensile and torsional deformations detection

Changhao Lin, Shaohong Luo, Fancheng Meng, Bin Xu, Tao Long, Yixin Zhao, Haibing Hu, Lianxi Zheng, Kin Liao, Jiehua Liu

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Two-dimensional Ti3C2Tx MXene nanosheets with excellent electrical conductivities have been synthesized in this work. The nanosheet is further assembled with air-laid paper and polydimethylsiloxane substrate, for sensing both tensile and torsional deformations. Results show that the sensor is able to detect a linear stretchability of up to 90% with the corresponding gauge factor of 1–2.58. After repeated stretching and releasing cycles at a strain of 10% for 2000 cycles, the remaining change of relative resistance is only 0.1. Particularly, the sensor also displays responsive electrical signal change when torqued from 0 to 2π radian, suggesting a potential application for torsion deformation detecting. For demonstration, the sensor is applied in real-time monitoring the physiological movements, revealing outstanding capability of recognizing motions of finger bending, squat/rise, speaking and twisting.

Original languageBritish English
Article number100768
JournalComposites Communications
StatePublished - Jun 2021


  • Flexible sensor
  • MXene
  • Tensile
  • Torsion


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