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A phase transformation from water\u2010soluble \u03b1\u2010helix (silk I) to insoluble \u03b2\u2010sheets (silk II) is observed, increasing the protein crystallinity and the membrane stability against aqueous environments. The phase transformation from silk I to silk II leads to a reorganization of the polymer chains inside the protein fibers, which influences the dipolar reorientation of the SF molecules. A cost\u2010effective energy harvester device is built, showing an open\u2010circuit output voltage of 4.5 V, a power density around 1 \u00b5mW cm<jats:sup>\u22122<\/jats:sup>, with an efficiency up to 6%, and a mechano\u2010sensitivity of 0.078 \u00b1 0.01 V kPa<jats:sup>\u22121<\/jats:sup>. This work provides new insights into the effect of the stabilization process of the SF membranes and its influence on the electroactive properties of the protein. Overall, the electromechanical and energy harvesting performance of the SF membranes opens new opportunities for applications as wearable self\u2010powered microelectronics, with the potential to be fully integrated inside clothing, with potential applications in personalized healthcare devices and sports training systems.<\/jats:p>","DOI":"10.1002\/mame.202000165","type":"journal-article","created":{"date-parts":[[2020,4,30]],"date-time":"2020-04-30T14:40:41Z","timestamp":1588257641000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Influence of the Stabilization Process on the Piezotronic Performance of Electrospun Silk Fibroin"],"prefix":"10.1002","volume":"305","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1986-1348","authenticated-orcid":false,"given":"Vitor","family":"Sencadas","sequence":"first","affiliation":[{"name":"School of Mechanical Materials Mechatronic and Biomedical Engineering University of Wollongong  Wollongong NSW 2522 Australia"},{"name":"ARC Center of Excellence for Electromaterials Science University of Wollongong  Wollongong NSW 2522 Australia"}]}],"member":"311","published-online":{"date-parts":[[2020,4,30]]},"reference":[{"key":"e_1_2_7_1_1","doi-asserted-by":"publisher","DOI":"10.1533\/9780857096371.4.539"},{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41427-019-0110-5"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/nbt.2952"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.201808849"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1002\/admt.201900423"},{"key":"e_1_2_7_6_1","author":"Sencadas V.","year":"2020","journal-title":"ACS Appl. 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