{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T04:16:50Z","timestamp":1784002610398,"version":"3.55.0"},"reference-count":41,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2021,8,26]],"date-time":"2021-08-26T00:00:00Z","timestamp":1629936000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100003819","name":"Natural Science Foundation of Hubei Province","doi-asserted-by":"publisher","award":["2020CFB391"],"award-info":[{"award-number":["2020CFB391"]}],"id":[{"id":"10.13039\/501100003819","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Intelligent Systems"],"published-print":{"date-parts":[[2021,11]]},"abstract":"<jats:sec><jats:label\/><jats:p>Pressure sensitivity and wide range are two crucial features of flexible electromechanical sensors for applications in the next\u2010generation of intelligent electronics, such as wearable healthcare monitors and soft human\u2013machine interfaces. Conventional pressure sensors have a narrow pressure range (&lt;10\u2009kPa) and complex fabrication processes, which significantly hinder their extensive applications. A facile laser\u2010engraving method is proposed to fabricate a flexible multiwalled\u2010carbon\u2010nanotube (MWCNTs)\/poly(dimethylsiloxane) (PDMS) composite\u2010based piezoresistive sensor with hierarchical microstructures. Herein, the nonstandard\u2010circular feature and Gaussian distributed facula of a laser spot are utilized to produce the middle\u2010level porous microdome upon the bottom\u2010level cylinder microcolumn array, while the top\u2010level tentacle\u2010like conical micropillars are produced by vertically rotating the acrylic mold during the laser engraving process. This novel hierarchical microstructure endows the proposed piezoresistive sensor with orders\u2010of\u2010magnitude of higher sensitivity (\u224835.51\u2009kPa<jats:sup>\u22121<\/jats:sup>) than that of other reported electromechanical sensors and a more extensive pressure sensing range up to 23\u2009kPa. Moreover, the detection limit of the sensor is down to 2\u2009Pa, which makes it a desirable candidate for monitoring subtle pressure. The sensor is successfully applied to distinguish the syllables of each pronounced word, detect movements of the human wrist, and monitor radial arterial pulse, thus demonstrating its promising applications in wearable electronics.<\/jats:p><\/jats:sec>","DOI":"10.1002\/aisy.202100070","type":"journal-article","created":{"date-parts":[[2021,8,26]],"date-time":"2021-08-26T10:47:22Z","timestamp":1629974842000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":45,"title":["Ultrasensitive Hierarchical Piezoresistive Pressure Sensor for Wide\u2010Range Pressure Detection"],"prefix":"10.1002","volume":"3","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1608-1357","authenticated-orcid":false,"given":"Jing","family":"Li","sequence":"first","affiliation":[{"name":"School of Mechanical Engineering Hubei University of Technology  Wuhan Hubei 430068 P. R. 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