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Lu, Yunjing; Tian, Mingwei; Sun, Xuantong; Pan, Ning; Chen, Fuxing; Zhu, Shifeng; Zhang, Xiansheng; Chen, Shaojuan
Composites. Part A, Applied science and manufacturing, February 2019, 2019-02-00, Letnik: 117Journal Article
Piezoresistive pressure sensors are deemed as a critical sensing component in wearable devices, and various polymer assembly with different structures are selected as flexible sensor substances. In this paper, low cost, commercial three-dimensional polyester non-woven fabrics (PNWFs) were employed as the sensor substrate whose advantages were elucidated through mathematical analysis. The effects of structure parameters (fiber diameter and fiber volume fraction) of 3D non-woven sensors on the sensing performance were analyzed. Reduced graphene oxide (rGO) and polydimethylsiloxane (PDMS) were deposited on the substrate to form the piezoresistive pressure sensor with a high conductivity 0.29 S/m after thermal reduction treatment. The assembled pressure sensors in general possessed excellent sensing characteristics, including excellent sensitivities of compressing (S = 23.41 kPa−1) and bending (S = 35.37 kPa−1), short response time (120 ms) and recovery time (240 ms), favorable resolutions (18 Pa under compressing and 21 Pa under bending) and low hysteresis value (0.8%). Finally, the pressure sensor has demonstrated successfully in detecting various physiological activities and subtle physiological signals, including walking, running, elbow flexing, finger bending, breathing, speaking and blood pulse beating.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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