电容感应
触觉传感器
材料科学
可穿戴计算机
图层(电子)
电介质
可穿戴技术
电子皮肤
纳米技术
弯曲
计算机科学
光电子学
电极
复合材料
机器人
人工智能
嵌入式系统
物理化学
操作系统
化学
作者
Tie Li,Hui Luo,Qin Lin,Xuewen Wang,Zuoping Xiong,Haiyan Ding,Yang Gu,Zheng Liu,Ting Zhang
出处
期刊:Small
[Wiley]
日期:2016-06-20
卷期号:12 (36): 5042-5048
被引量:433
标识
DOI:10.1002/smll.201600760
摘要
Flexible tactile sensors are considered as an effective way to realize the sense of touch, which can perform the synchronized interactions with surrounding environment. Here, the utilization of bionic microstructures on natural lotus leaves is demonstrated to design and fabricate new‐type of high‐performance flexible capacitive tactile sensors. Taking advantage of unique surface micropattern of lotus leave as the template for electrodes and using polystyrene microspheres as the dielectric layer, the proposed devices present stable and high sensing performance, such as high sensitivity (0.815 kPa −1 ), wide dynamic response range (from 0 to 50 N), and fast response time (≈38 ms). In addition, the flexible capacitive sensor is not only applicable to pressure (touch of a single hair), but also to bending and stretching forces. The results indicate that the proposed capacitive tactile sensor is a promising candidate for the future applications in electronic skins, wearable robotics, and biomedical devices.
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