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首页> 外文会议>Conference on Ph. D. Research in Microelectronics and Electronics >Bendable piezoresistive sensors by screen printing MWCNT/PDMS composites on flexible substrates
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Bendable piezoresistive sensors by screen printing MWCNT/PDMS composites on flexible substrates

机译：通过将MWCNT / PDMS复合材料丝网印刷在柔性基板上的可弯曲压阻传感器

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摘要

This paper presents piezoresistive sensors array, developed by screen printing of polymer nanocomposites based on multiwall carbon nanotubes (MWCNT) in poly (dimethyl-siloxane) (PDMS) matrix. The sensors are printed on 25 µm thick flexible polyethylene terephthalate (PET) substrate in the form of segmental arrays with parallel plate structures, whereby, MWCNT/PDMS nanocomposites layer is sandwiched between two printed silver plates of 1×1 mm2 area each. Force concentrator structures, printed on separate PET sheet, are adhered to the bottom substrate with proper alignment to the sensory cells. Three different polymer nanocomposites (by wt. %) of carbon nanotubes (MWCNT) in PDMS matrix have been investigated here for possible application as a tactile sensor in an electronic skin for robots and general purpose applications. The change in resistance value is observed when structures are subjected to normal compressive forces as well as when they are bent.
机译：本文介绍了压阻传感器阵列，该传感器阵列是通过丝网印刷基于聚二甲基硅氧烷（PDMS）基质中的多壁碳纳米管（MWCNT）的聚合物纳米复合材料开发的。传感器以具有平行板结构的分段阵列的形式印刷在25 µm厚的柔性聚对苯二甲酸乙二醇酯（PET）基板上，从而将MWCNT / PDMS纳米复合材料层夹在每块1×1 mm2面积的两块印刷银板之间。力集中器结构印在单独的PET板上，并与感觉细胞正确对齐，并粘附在底部基板上。此处已研究了PDMS基质中碳纳米管（MWCNT）的三种不同的聚合物纳米复合材料（按重量百分比），可作为触觉传感器应用于机器人和通用电子皮肤中。当结构受到法向压缩力以及弯曲时，可以观察到电阻值的变化。

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