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dc.contributor.authorZeng, Zhihuien
dc.contributor.authorSeyed Shahabadi, Seyed Ismailen
dc.contributor.authorChe, Boyangen
dc.contributor.authorZhang, Youfangen
dc.contributor.authorZhao, Chenyangen
dc.contributor.authorLu, Xuehongen
dc.identifier.citationZeng, Z., Seyed Shahabadi, S. I., Che, B., Zhang, Y., Zhao, C., & Lu, X. (2017). Highly Stretchable, Sensitive Strain Sensors with Wide Linear Sensing Region Based on Compressed Anisotropic Graphene Foam/Polymer Nanocomposites. Nanoscale, 9(44), 17396–17404.en
dc.description.abstractNanocomposite strain sensors composed of compressed honeycomb-like reduced-graphene-oxide (RGO) foam embedded in polydimethylsiloxane are facilely fabricated via unidirectional freeze-drying and simple mechanical compression. The microstructural characteristics of the nanocomposites endow the sensors with excellent flexibility, high stretchability and sensing sensitivity, as well as anisotropic mechanical and sensing performance when stretched along directions vertical and parallel to the aligned RGO cell walls (defined as transverse and longitudinal directions, respectively). In particular, the compression of the aligned RGO foam into a thinner film results in more conductive pathways, greatly increasing the sensing sensitivity of the nanocomposite sensors. The sensors stretched along the transverse direction show an outstanding combination of high stretchability over 120%, wide linear sensing region of 0–110% and high strain sensing sensitivity with a gauge factor of around 7.2, while even higher strain sensitivity and lower sensing strain are exhibited along the longitudinal direction. Sensitive and reliable detection of human motions is also successfully demonstrated using these light-weight thin-film nanocomposite sensors.en
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en
dc.format.extent56 p.en
dc.rights© 2017 The Author(s) (Royal Society of Chemistry). This is the author created version of a work that has been peer reviewed and accepted for publication by Nanoscale, The Author(s)(Royal Society of Chemistry). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].en
dc.titleHighly Stretchable, Sensitive Strain Sensors with Wide Linear Sensing Region Based on Compressed Anisotropic Graphene Foam/Polymer Nanocompositesen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.description.versionAccepted versionen
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