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Herein, fully 3D printed capacitive pressure sensors comprising polydimethylsiloxane (PDMS) foam\u2010based dielectric layer, sandwiched between the poly(3,4\u2010ethylenedioxythiophene):polystyrene sulfonate and silver nanowire\u2010based electrodes, are presented. The printed electrodes exhibit excellent electrical properties (1.6\u2009\u03a9\u2009sq<jats:sup>\u22121<\/jats:sup>, 20.35\u2009kS\u2009m<jats:sup>\u22121<\/jats:sup>) and bendability. Various ratios of PDMS to ammonium bicarbonate (NH<jats:sub>4<\/jats:sub>HCO<jats:sub>3<\/jats:sub>) are evaluated to obtain dielectric layer with optimum pore sizes for better performance and ease of fabrication. The device with a PDMS:NH<jats:sub>4<\/jats:sub>HCO<jats:sub>3<\/jats:sub> ratio of 4:0.8 exhibits a linear response with a sensitivity of 0.0055\u2009kPa<jats:sup>\u22121<\/jats:sup> in the tested pressure range of 5\u2013170\u2009kPa. The fully 3D printed sensors also show excellent repeatability over 500 cycles with an average hysteresis of 1.53%, and fast response and recovery times of 89 and 195\u2009ms, respectively. The superiority of the presented 3D printed foam\u2010based device is confirmed by 30% higher sensitivity in comparison with PDMS\u2010based sensors. Finally, as a proof\u2010of\u2010concept, the pressure sensors presented in this study are assessed for their suitability in underwater environments and touch\u2010based object recognition.<\/jats:p>","DOI":"10.1002\/aisy.202300367","type":"journal-article","created":{"date-parts":[[2023,9,28]],"date-time":"2023-09-28T22:24:36Z","timestamp":1695939876000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Polydimethylsiloxane Foam\u2010Based Fully 3D Printed Soft Pressure Sensors"],"prefix":"10.1002","volume":"6","author":[{"given":"Xenofon","family":"Karagiorgis","sequence":"first","affiliation":[{"name":"School of Engineering University of Glasgow  Glasgow G12 8QQ UK"},{"name":"School of Chemistry University of Glasgow  Glasgow G12 8QQ UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gaurav","family":"Khandelwal","sequence":"additional","affiliation":[{"name":"School of Engineering University of Glasgow  Glasgow G12 8QQ UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ajay","family":"Beniwal","sequence":"additional","affiliation":[{"name":"School of Engineering University of Glasgow  Glasgow G12 8QQ UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Radu","family":"Chirila","sequence":"additional","affiliation":[{"name":"School of Engineering University of Glasgow  Glasgow G12 8QQ UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter J.","family":"Skabara","sequence":"additional","affiliation":[{"name":"School of Chemistry University of Glasgow  Glasgow G12 8QQ UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3858-3841","authenticated-orcid":false,"given":"Ravinder","family":"Dahiya","sequence":"additional","affiliation":[{"name":"Bendable Electronics and Sustainable Technologies (BEST) Group Northeastern University  Boston MA 02115 USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,9,28]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1126\/scirobotics.abl7344"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/aisy.202200183"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/aisy.202100091"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/acssensors.0c02122"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2022.3179233"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/aisy.201900145"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/aisy.202200043"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.1c14228"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201401364"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.201305182"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1021\/acsami.0c13637"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms5496"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.4869816"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSEN.2022.3140651"},{"key":"e_1_2_10_16_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41598-019-57291-0"},{"key":"e_1_2_10_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.nanoen.2021.105829"},{"key":"e_1_2_10_18_1","first-page":"1502566","volume":"6","author":"Lee K. 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