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. 2023 Jun 1;14:2907. doi: 10.1038/s41467-023-38274-2

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© The Author(s) 2023, corrected publication 2023

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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — a Performance comparison in the sensitivity and maximum linear sensing range between the flexible iontronic pressure sensor from this work and other capacitive pressure sensors. b Typical response curve of the iontronic pressure sensor operated at 1 kHz for the calculation of the response/recovery time. c Demonstration of the detection limit of 0.36 Pa with repeated loading of a small piece of weighing paper on the sensor. d Detection of the additionally applied small pressure (from a weight of 1 g, 2 g, 10 g) under an existing preload pressure of 2 kg. e Repeatability test of the sensor to a cycling pressure load of ca. 800 kPa over 4500 cycles. f Response from three different pressure sensors.