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Electromechanical behavior of single-walled carbon nanotube thin films

机译：单壁碳纳米管薄膜的机电行为

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Carbon nanotubes have been intensively studied owing to their great potential in nanoelectronics and nanomechanical devices. Recently, experimental results have shown that single-walled carbon nanotubes (SWCNTs) change their electronic properties when subjected to strain. In this study, the electromechanical characteristics of SWCNT networks were investigated for the application of printable strain sensors on flexible substrates. SWCNT films were formed on plastic substrates of poly(ethylene terephthalate) using a spray process. In this manner, we were able to control the transparency and obtain uniform electrical properties of the films. The films are isotropic on account of the random orientation of bundles of SWCNTs. Experimental results showed a nearly linear change in the resistance across a film when it was subjected to tensile strain, even in the inelastic range of the flexible substrate. The results demonstrate the potential use of SWCNT films for highly sensitive printable strain sensors on a macroscale.View full textDownload full textKeywordsSWCNT films, strain sensor, spray deposition, electromechanical propertiesRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/09500839.2012.682741
机译：由于碳纳米管在纳米电子学和纳米机械装置中的巨大潜力，已经对其进行了深入的研究。最近，实验结果表明，单壁碳纳米管（SWCNT）在受到应变时会改变其电子性能。在这项研究中，研究了SWCNT网络的机电特性，以便将可印刷应变传感器应用在柔性基板上。使用喷涂工艺在聚对苯二甲酸乙二酯的塑料基材上形成SWCNT膜。通过这种方式，我们能够控制透明度并获得均匀的薄膜电性能。由于SWCNT束的随机取向，膜是各向同性的。实验结果表明，即使在柔性基板的非弹性范围内，薄膜在受到拉伸应变时，其电阻也几乎呈线性变化。结果表明，SWCNT薄膜可用于大规模的高灵敏度可印刷应变传感器。查看全文下载全文关键词SWCNT薄膜，应变传感器，喷雾沉积，机电性能相关var addthis_config = {ui_cobrand：“泰勒和弗朗西斯在线”，servicescompact：“ citeulike，netvibes，twitter，technorati，美味，linkedin，facebook，stumbleupon，digg，google，更多”，发布：“ ra-4dff56cd6bb1830b”};添加到候选列表链接永久链接http://dx.doi.org/10.1080/09500839.2012.682741

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