Ultra-sensitive flexible strain sensors based on hybrid conductive networks for monitoring human activities
Ultra-sensitive flexible strain sensors based on hybrid conductive networks for monitoring human activities
复制标题
基于混合导电网络的超灵敏柔性应变传感器用于监测人体活动
DOI：
10.1016/j.sna.2022.113627
复制
发表时间：
2022-05
期刊：
影响因子：
--
通讯作者：
Jingyi Wang
中科院分区：
文献类型：
--
作者：
Yankun Lin;Qing Yin;Lifeng Ding;Guoliang Yuan;Hongbing Jia;Jingyi Wang
柔性应变传感器因其在运动检测、医疗保健和可穿戴电子产品中的潜在应用而引起了人们的极大兴趣。然而，通过简单和可扩展的策略构建具有超高灵敏度和优异拉伸性的应变传感材料仍然是一个挑战。在这里，基于还原氧化石墨烯（RGO）/多壁碳纳米管（MWCNT）混合填料、无纺布和天然橡胶（NR），制造了具有独特混合导电网络的超灵敏和高度可拉伸的应变传感器。通过氧化石墨烯（GO）/酸处理多壁碳纳米管（MWCNT-COOH）杂化填料的快速还原和机织织物在乙醇火焰中的同步热解，制备了RGO/MWCNT/无纺布（GMWF）复合材料。GMWF/NR应变传感器在灵敏度和检测范围（0 ~ 32%、32 ~ 49%和49 ~ 67%应变范围内的应变计因子分别为1451、3587和8225）之间表现出值得称赞的折衷，快速响应（200 ms），低检测限（0.5%），和出色的耐久性（1000次循环）。它可以在真实的时间内探测到全方位（剧烈的和微妙的）人类活动。这种协同导电填料和简易模板方法的集成，以构建混合导电网络，展示了一种有效的策略，用于制造高性能的应变传感器的可穿戴电子设备。
Flexible strain sensors have aroused great interest because of their prospective applications in motion detection, healthcare, and wearable electronics. However, the construction of strain sensing materials with both ultra-high sensitivity and excellent stretchability via a facile and scalable strategy remains a challenge. Here, an ultra-sensitive and highly stretchable strain sensor with a unique hybrid conductive network was fabricated based on reduced graphene oxide (RGO)/multi-walled carbon nanotubes (MWCNT) hybrid fillers, carbonized woven fabric, and natural rubber (NR). The RGO/MWCNT/carbonized woven fabric (GMWF) composite was obtained by fast reduction of graphene oxide (GO)/acid-treated MWCNT (MWCNT-COOH) hybrid fillers and pyrolysis of woven fabric in an alcohol flame synchronously. The resulting GMWF/NR strain sensor exhibited a laudable trade-off between sensitivity and detection range (gauge factor of 1451, 3587, and 8225 within 0 ~ 32%, 32 ~ 49%, and 49 ~ 67% strain, respectively), fast response (200 ms), low detection limit (0.5%), and outstanding durability (1000 cycles). It could detect full-range (vigorous and subtle) human activities in real time. This integration of synergistic conductive fillers and facile template method to construct the hybrid conductive network demonstrates an effective strategy for fabricating high-performance strain sensors for wearable electronic devices.
登录
查看更多内容
DOI：
10.1016/j.jmbbm.2021.104376
发表时间：
2021-02-19
影响因子：
3.9
作者：
Jyoti，Jeevan;Kiran，Abhimanyu;Kumar，Navin
通讯作者：
Kumar，Navin
基于超排列碳纳米管薄膜的柔性透明应变传感器
影响因子：
6.7
作者：
Yu Yang;Luo Yufeng;Guo Alex;er;Yan Lingjia;Wu Yang;Jiang Kaili;Li Qunqing;Fan Shoushan;Wang Jiaping
通讯作者：
Wang Jiaping
影响因子：
6.1
作者：
Lee, Sanghoon;Shi, Qiongfeng;Lee, Chengkuo
通讯作者：
Lee, Chengkuo
影响因子：
10.7
作者：
Haghighi, Hossein;Gullo, Maria;Pulvirenti, Andrea
通讯作者：
Pulvirenti, Andrea
影响因子：
9.5
作者：
Jian Zhou;Hudong Yu;Xuezhu Xu;F. Han;G. Lubineau
通讯作者：
Jian Zhou;Hudong Yu;Xuezhu Xu;F. Han;G. Lubineau