UM
Ultra-stretchable and highly sensitive strain sensor based on gradient structure carbon nanotubes
Liang, Binghao; Lin, Zhiqiang; Chen, Wenjun; He, Zhongfu; Zhong, Jing; Zhu, Hai; Tang, Zikang; Gui, Xuchun
2018-07-28
Source PublicationNANOSCALE
ISSN2040-3364
Volume10Issue:28Pages:13599-13606
AbstractHigh stretchability and sensitivity of strain sensors are two properties that are very difficult to combine together into one material, due to the intrinsic dilemma of the opposite requirements of robustness of the conductive network. Therefore, the improvement of one property is always achieved at the expense of decreasing the other property, and preventing its practical application. Inspired by the micro-structure of the copolymer, which consists of stretchable amorphous and strong crystal domains, we developed a highly stretchable and sensitive strain sensor, based on innovative gradient carbon nanotubes (CNTs). By integrating randomly oriented and well aligned CNTs, acting as sensitive and stretchable conductive elements, respectively, into a continuous changing structure, our strain sensors successfully combine both a high sensitivity (gauge factor (GF) = 13.5) and ultra-stretchability (>550%). With a fast response speed (<33 ms) and recovery speed (<60 ms), lossless detection of a 8 Hz mechanical signal has been easily realized. In addition, the gradient CNTs strain sensors also showed great durability in a dynamic test of 12000 cycles, as well as extraordinary linearity and ultra-low working voltage (10 mV). These outstanding features mean our sensors have enormous potential for applications in health monitoring, sports performance monitoring and soft robotics.
DOI10.1039/c8nr02528b
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000439319000034
PublisherROYAL SOC CHEMISTRY
The Source to ArticleWOS
Fulltext Access
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Cited Times [WOS]:16   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Liang, Binghao,Lin, Zhiqiang,Chen, Wenjun,et al. Ultra-stretchable and highly sensitive strain sensor based on gradient structure carbon nanotubes[J]. NANOSCALE,2018,10(28):13599-13606.
APA Liang, Binghao.,Lin, Zhiqiang.,Chen, Wenjun.,He, Zhongfu.,Zhong, Jing.,...&Gui, Xuchun.(2018).Ultra-stretchable and highly sensitive strain sensor based on gradient structure carbon nanotubes.NANOSCALE,10(28),13599-13606.
MLA Liang, Binghao,et al."Ultra-stretchable and highly sensitive strain sensor based on gradient structure carbon nanotubes".NANOSCALE 10.28(2018):13599-13606.
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