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基于静电纺丝的图案化 Ag 纳米纤维电极的柔性触觉传感器。

Flexible Tactile Sensor Based on Patterned Ag-Nanofiber Electrodes through Electrospinning.

机构信息

School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore.

CINTRA CNRS/NTU/THALES, UMI3288, Research Techno Plaza, Nanyang Technological University, 50 Nanyang Drive, Singapore 637553, Singapore.

出版信息

Sensors (Basel). 2021 Mar 31;21(7):2413. doi: 10.3390/s21072413.

DOI:10.3390/s21072413
PMID:33807475
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8036865/
Abstract

The growing demand for intelligent equipment has greatly inspired the development of flexible devices. Thus, disparate flexible multifunctional devices, including pressure sensitive flexible/stretchable displays, have drawn worldwide research attention. Electrodes maintaining conductivity and mechanical strength against deformations are indispensable components in all prospective applications. In this work, a flexible pressure mapping sensor array is developed based on patterned Ag-nanofibers (Ag-NFs) electrode through electrospinning and lithography. The metallic Ag layer is sputtered onto the electrospinning polyvinyl alcohol (PVA) NFs. A uniform and super conductive electrode layer with outstanding mechanical performance is thus formed after dissolving PVA. Followed by the traditional lithography method, a patterned electrode array (4 × 4 sensors) is obtained. Based on the newly developed triboelectric nanogenerator (TENG) technology, a flexible pressure-mapping sensor with excellent stability towards bending deformations is further demonstrated. Moreover, a letter "Z" is successfully visualized by this pressure sensor array, encouraging more human-machine interactive implementations, such as multi-functional tactile screens.

摘要

对智能设备不断增长的需求极大地激发了柔性设备的发展。因此，各种不同的柔性多功能设备，包括压力敏感的柔性/可拉伸显示器，引起了全球研究的关注。在所有预期的应用中，保持导电性和机械强度以适应变形的电极都是不可或缺的组件。在这项工作中，通过静电纺丝和光刻技术，基于图案化的 Ag 纳米纤维（Ag-NFs）电极开发了一种柔性压力映射传感器阵列。通过溅射将金属 Ag 层沉积到静电纺丝的聚乙烯醇（PVA）NFs 上。溶解 PVA 后，形成具有出色机械性能的均匀且超导电的电极层。然后，通过传统的光刻方法，获得了图案化的电极阵列（4×4 个传感器）。基于新开发的摩擦纳米发电机（TENG）技术，进一步展示了一种对弯曲变形具有优异稳定性的柔性压力映射传感器。此外，这个压力传感器阵列成功地可视化了字母“Z”，鼓励更多的人机交互实现，如多功能触摸屏幕。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/1d15a7d60748/sensors-21-02413-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/1c2d038ccb55/sensors-21-02413-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/96293fe5779a/sensors-21-02413-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/c70a0c107466/sensors-21-02413-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/929f4347aedf/sensors-21-02413-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/fc23b9c76a9f/sensors-21-02413-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/a0d507a3c961/sensors-21-02413-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/0cc7c386d3be/sensors-21-02413-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/0db74d1f3174/sensors-21-02413-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/20634bff822d/sensors-21-02413-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/1d15a7d60748/sensors-21-02413-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/1c2d038ccb55/sensors-21-02413-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/96293fe5779a/sensors-21-02413-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/c70a0c107466/sensors-21-02413-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/929f4347aedf/sensors-21-02413-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/fc23b9c76a9f/sensors-21-02413-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/a0d507a3c961/sensors-21-02413-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/0cc7c386d3be/sensors-21-02413-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/0db74d1f3174/sensors-21-02413-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/20634bff822d/sensors-21-02413-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3de/8036865/1d15a7d60748/sensors-21-02413-g010.jpg

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