Hollow MXene Sphere-Based Flexible E-Skin for Multiplex Tactile Detection,ACS Applied Materials & Interfaces

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Hollow MXene Sphere-Based Flexible E-Skin for Multiplex Tactile Detection
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2021-09-14 , DOI: 10.1021/acsami.1c06993
Xue-Feng Zhao _{1,

2} , Xiao-Hong Wen ₁ , Shu-Lin Zhong ₃ , Meng-Yang Liu ₁ , Yu-Hang Liu ₁ , Xue-Bin Yu ₃ , Ru-Guang Ma ₂ , David Wei Zhang ₁ , Jia-Cheng Wang ₂ , Hong-Liang Lu ₁

Affiliation

Skin-like electronics that can provide comprehensively tactile sensing is required for applications such as soft robotics, health monitoring, medical treatment, and human–machine interfaces. In particular, the capacity to monitor the contact parameters such as the magnitude, direction, and contact location of external forces is crucial for skin-like tactile sensing devices. Herein, a flexible electronic skin which can measure and discriminate the contact parameters in real time is designed. It is fabricated by integrating the three-dimensional (3D) hollow MXene spheres/Ag NW hybrid nanocomposite-based embedded stretchable electrodes and T-ZnOw/PDMS film-based capacitive pressure sensors. To the best of our knowledge, it is the first stretchable electrode to utilize the 3D hollow MXene spheres with the essential characteristic, which can effectively avoid the drawbacks of stress concentration and shedding of the conductive layer. The strain-resistance module and the pressure-capacitance module show the excellent sensing performance in stability and response time, respectively. Moreover, a 6 × 6 sensor array is used as a demonstration to prove that it can realize the multiplex detection of random external force stimuli without mutual interference, illustrating its potential applications in biomimetic soft wearable devices, object recognition, and robotic manipulation.

中文翻译：

用于多重触觉检测的基于空心 MXene 球体的柔性 E-Skin

软机器人、健康监测、医疗和人机界面等应用需要能够提供全面触觉感应的类皮肤电子设备。特别是，监测接触参数（如外力的大小、方向和接触位置）的能力对于类皮肤触觉传感设备至关重要。本文设计了一种可以实时测量和判别接触参数的柔性电子皮肤。它是通过集成三维 (3D) 中空 MXene 球/Ag NW 混合纳米复合材料基嵌入式可拉伸电极和 T-ZnOw/PDMS 薄膜基电容压力传感器制造的。据我们所知，它是第一个利用具有基本特性的 3D 空心 MXene 球体的可拉伸电极，可有效避免导电层应力集中和脱落的弊端。应变电阻模块和压力电容模块分别在稳定性和响应时间方面表现出优异的传感性能。此外，以6×6传感器阵列作为演示，证明它可以实现对随机外力刺激的多重检测而不会相互干扰，说明其在仿生软可穿戴设备、物体识别和机器人操纵等方面的潜在应用。

更新日期：2021-09-29

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