Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences , National Center for Nanoscience and Technology (NCNST), Beijing 100083, China.
Research Center for Bioengineering and Sensing Technology, Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing , Beijing 100083, China.
ACS Nano. 2017 Apr 25;11(4):3950-3956. doi: 10.1021/acsnano.7b00396. Epub 2017 Mar 23.
Triboelectric nanogenerators (TENGs) can be applied for the next generation of artificial intelligent products, where skin-like tactile sensing advances the ability of robotics to feel and interpret environment. In this paper, a flexible and thin tactile sensor was developed on the basis of dual-mode TENGs. The effective transduction of touch and pressure stimulus into independent and interpretable electrical signals permits the instantaneous sensing of location and pressure with a plane resolution of 2 mm, a high-pressure-sensing sensitivity up to 28 mV·N, and a linear pressure detection ranging from 40 to 140 N. Interestingly, this self-powered dual-mode sensor can even interpret contact and hardness of objects by analyzing the shape of the current peak, which makes this low-cost TENG-based sensor promising for applications in touch screens, electronic skins, healthcare, and environmental survey.
摩擦纳米发电机（TENG）可应用于下一代人工智能产品，其中类皮肤触觉传感提高了机器人感知和解释环境的能力。本文基于双模 TENG 开发了一种灵活、超薄的触觉传感器。触摸和压力刺激的有效转换为独立且可解释的电信号，使得位置和压力的即时感应具有 2mm 的平面分辨率、高达 28mV·N 的高压力感应灵敏度以及从 40 到 140N 的线性压力检测范围。有趣的是，这种自供电双模传感器甚至可以通过分析电流峰值的形状来解释物体的接触和硬度，这使得这种基于低成本 TENG 的传感器有望应用于触摸屏、电子皮肤、医疗保健和环境监测。
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