近年来,柔性和可拉伸应变传感器已经成为一个突出的研究领域,主要是由于其显著的拉伸性和极低的应变检测阈值。然而,传感器的进步目前受到复杂性等问题的制约,高成本,有限的耐久性。为了解决上述问题,这项研究引入了一种受植物启发的柔性,可拉伸应变传感器(LIFSSS)。可拉伸的生物电子复合材料由多壁碳纳米管组成,石墨烯,石墨烯钕铁硼,和聚二甲基硅氧烷。独特的生物接生微结构和导磁纳米复合材料通过协同相互作用相互作用,从而有效地检测拉伸应变和磁激励。LIFSSS表现出170%的拉伸范围,在50-170%应变中的线性为0.99(满量程为0.96),在110%的拉伸范围内具有7000次循环的良好耐久性。传感器精确检测线性拉力的变化,人类运动,和微表情。此外,LIFSSS证明了对听力障碍个体的手语识别和对机器人操纵器的磁性抓取的增强功效。因此,本研究中提出的LIFSSS显示了在各个领域的潜在应用,包括生物电子学,电子皮肤,和生理活动监测。
In recent years, flexible and stretchable strain sensors have emerged as a prominent area of research, primarily due to their remarkable stretchability and extremely low strain detection threshold. Nevertheless, the advancement of sensors is currently constrained by issues such as complexity, high costs, and limited durability. To tackle the aforementioned issues, this study introduces a lepidophyte-inspired flexible, stretchable strain sensor (LIFSSS). The stretchable bioelectronics composites were composed of multiwalled carbon nanotubes, graphene, neodymium iron boron, and polydimethylsiloxane. Unique biolepidophyted microstructures and
magnetic conductive nanocomposites interact with each other through synergistic interactions, resulting in the effective detection of tensile strain and
magnetic excitation. The LIFSSS exhibits a 170% tensile range, a linearity of 0.99 in 50-170% strain (0.96 for full-scale range), and a fine durability of 7000 cycles at 110% tensile range. The sensor accurately detects variations in linear tensile force, human movement, and microexpressions. Moreover, LIFSSS demonstrates enhanced efficacy in sign language recognition for individuals with hearing impairments and
magnetic grasping for robotic manipulators. Hence, the LIFSSS proposed in this study shows potential applications in various fields, including bioelectronics, electronic skin, and physiological activity monitoring.