具有增强介电性能的液态金属图案化可拉伸柔性电容式传感器，由石墨纳米纤维填料实现。
Liquid Metal Patterned Stretchable and Soft Capacitive Sensor with Enhanced Dielectric Property Enabled by Graphite Nanofiber Fillers.
作者信息
Bhuyan Priyanuj, Cho Dongkyun, Choe Minjae, Lee Sangmin, Park Sungjune
机构信息
Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju 54896, Korea.
Department of Polymer-Nano Science and Technology, Jeonbuk National University, Jeonju 54896, Korea.
出版信息
Polymers (Basel). 2022 Feb 12;14(4):710. doi: 10.3390/polym14040710.
In this work, we introduce liquid metal patterned stretchable and soft capacitive sensor with enhanced dielectric properties enabled by graphite nanofiber (GNF) fillers dispersed in polydimethylsiloxane (PDMS) substrate. We oxidized gallium-based liquid metal that exhibited excellent wetting behavior on the surface of the composites to enable patterning of the electrodes by a facile stencil printing. The fluidic behavior of the liquid metal electrode and modulated dielectric properties of the composite ( = 6.41 ± 0.092@6 wt % at 1 kHz) was utilized to fabricate stretchable and soft capacitive sensor with ability to distinguish various hand motions.
在这项工作中，我们介绍了一种液态金属图案化的可拉伸柔性电容式传感器，其通过分散在聚二甲基硅氧烷（PDMS）基底中的石墨纳米纤维（GNF）填料实现了增强的介电性能。我们氧化了在复合材料表面表现出优异润湿性的镓基液态金属，以便通过简便的模板印刷对电极进行图案化。利用液态金属电极的流体行为和复合材料调制后的介电性能（在1 kHz下，6 wt%时为6.41±0.092），制造出了能够区分各种手部动作的可拉伸柔性电容式传感器。
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