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. 2022 Mar 22;12:4882. doi: 10.1038/s41598-022-08801-0

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Device characterization of Stretching, Bending and Torsion. Graphs show the resistance change vs. strain percent. (a) An average behaviour of the device shows two ranges separated by linear fit after stretching. (b) Torsion also shows two sensing ranges: GF for lower range is 90 and higher range shows GF of 227. (c) Bending shows a very linear increase in resistance throughout the sensing range while connection breaks suddenly when the sensing limit was reached. (d) Current vs voltage graph without any load applied to the sensor.