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Roll stamped Ni/MWCNT composites for highly reliable cellulose paper-based strain sensor

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Abstract

Printing technology for electronic devices has garnered considerable attention owing to its rapid and massive productivity under ambient conditions. In this study, a facile approach is proposed for manufacturing cellulose paper-based strain sensors with Ni/multi-walled carbon nanotube (MWCNT) composites using roll stam** technology. This process enables the fabrication of stable sensing structures owing to the formation of stable Ni core-envelo** structures in the MWCNT interlacing network. In particular, the rheological properties of the composites revealed shear thinning and thixotropic behavior, which resulted in fine printing of the sensing electrodes. Furthermore, the shape of the printed patterns, imparted by the pattern morphology, significantly influenced the strain-sensing performance. In particular, the Ni/MWCNT composite-based strain sensor exhibited a higher gauge factor of 13.9, with a high sensing recovery of 90.4% and stability over 23,500 bending cycles.

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Acknowledgments

This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (NRF-2021R1A2C1011248). This research was supported by the Korea Institute for Advancement of Technology (KIAT) grant funded by the Korean Government (MOTIE) (P0002007, 2022 HRD Program for Industrial Innovation).

Funding

This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Korean government (NRF-2021R1A2C1011248). This research was supported by the Korea Institute for Advancement of Technology (KIAT) grant funded by the Korean Government (MOTIE) (P0002007, 2022 HRD Program for Industrial Innovation).

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XQ: Conceptualization, Methodology, Data curation, Writing—original draft. PM: Investigation, Review and editing. BH: Investigation, Review and editing. SL: Supervision, Investigation, review and editing.

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Correspondence to Byungil Hwang or Sooman Lim.

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Qi, X., Matteini, P., Hwang, B. et al. Roll stamped Ni/MWCNT composites for highly reliable cellulose paper-based strain sensor. Cellulose 30, 1543–1552 (2023). https://doi.org/10.1007/s10570-022-04970-3

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  • DOI: https://doi.org/10.1007/s10570-022-04970-3

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