{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,21]],"date-time":"2026-10-21T12:44:27Z","timestamp":1792586667685,"version":"4.5.0"},"reference-count":48,"publisher":"American Chemical Society (ACS)","issue":"41","license":[{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T00:00:00Z","timestamp":1791417600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-045"}],"funder":[{"name":"Project of Local University Ability Building of Shanghai Scientific and Technological Committee","award":["19030501200"],"award-info":[{"award-number":["19030501200"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,21]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Flexible piezoresistive sensors for protective textiles should maintain pressure-responsive conductivity after thermal exposure, whereas many polymer-based sensing layers soften, degrade, or lose signal output under heat. Herein, we report a self-supporting PAN\/PI-derived carbon nanofibrous membrane with MXene-assisted contact modulation for heat-resistant piezoresistive sensing and temperature-triggered warning. Electrospun PAN\/PAA membranes were stabilized and carbonized to construct a thermally durable conductive fibrous framework, in which PAN serves as the principal carbon-forming precursor and the PAA-derived PI intermediate assists structural retention during thermal conversion. Surface-deposited Ti3C2Tx MXene nanosheets further introduce conductive junctions and pressure-responsive contact interfaces. The optimized PPNF-MX3 sensor exhibits a broad pressure range of 0.05\u2013250 kPa, a low-pressure sensitivity of 8.16 kPa\u20131, and response\/recovery times of 520\/572 ms. It retains 97.51% of its electromechanical response after 10,000 bending-release cycles at room temperature and 83.16% after 1200 cycles following thermal exposure at 350 \u00b0C for 660 s. The carbonized membrane exhibits thermal-shielding behavior and flame-induced structural retention, while the integrated system enables repeatable temperature-triggered warning at 495 \u00b0C. These results demonstrate the potential of PPNF-MX3 as a multifunctional sensing and thermal-warning platform for intelligent protective textiles exposed to demanding thermal environments.<\/jats:p>","DOI":"10.1021\/acsami.6c12575","type":"journal-article","created":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T22:02:00Z","timestamp":1791496920000},"page":"56452-56465","source":"Crossref","is-referenced-by-count":0,"title":["PAN\/PI-Derived Carbon Nanofibrous Membranes with MXene-Assisted Contact Modulation for Heat-Resistant Piezoresistive Sensing and Thermal Warning Response"],"prefix":"10.1021","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-5665-157X","authenticated-orcid":true,"given":"Die","family":"Liu","sequence":"first","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhengyu","family":"Ding","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-2076-2686","authenticated-orcid":true,"given":"Herui","family":"Yan","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-3159-920X","authenticated-orcid":true,"given":"Yuling","family":"Nie","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiaqiang","family":"Li","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0683-8018","authenticated-orcid":true,"given":"Binjie","family":"Xin","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-0272-4332","authenticated-orcid":true,"given":"Zhuoming","family":"Chen","sequence":"additional","affiliation":[{"name":"Shanghai University of Engineering Science , , ,","place":["Shanghai, China, 201620"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,10,8]]},"reference":[{"key":"2026102108062554600_cit1","doi-asserted-by":"publisher","DOI":"10.1016\/j.mtnano.2026.100830","article-title":"Nanocarbon-based aerogels for flexible piezoresistive sensors: Fabrication, properties and applications","volume":"34","author":"Liao","year":"2026","journal-title":"Mater. 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