Highly stretchable, sensitive and flexible strain sensors based on MWCNTs fabriated by different methods

Saeed Ahmed Khan, M. Gao, Yuechang Zhu, Zhuocheng Yan, Yuan Lin
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引用次数: 1

Abstract

Three samples of strain sensors have been fabricated and presented in this paper with different methods. First sample was made by spray coating of MWCNTs on poly-dimethylsiloxane (PDMS) substrate; second sample was by depositing of 0.3 wt% of MWCNTs powder on PDMS substrate at 100°C and third sample was fabricated by CVD method to grow MWCNTs array on SiO2 substrate. It revealed from experiment results that strain sensor fabricated by spray coating method showed high sensitivity with tunability from 3.25-19.17 %, high stretchability of 60 %, good linearity and excellent long time stability.
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采用不同方法制备的基于MWCNTs的高拉伸、高灵敏度和高柔性应变传感器
本文用不同的方法制作了三种应变传感器样品。第一个样品是在聚二甲基硅氧烷(PDMS)衬底上喷涂MWCNTs;第二种样品是在100℃下在PDMS衬底上沉积0.3 wt%的MWCNTs粉末,第三种样品是在SiO2衬底上用CVD法生长MWCNTs阵列。实验结果表明,采用喷涂法制备的应变传感器灵敏度高,可调性在3.25 ~ 19.17%之间,可拉伸性高达60%,线性度好,长时间稳定性好。
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