Document Detail


Elastic carbon nanotube straight yarns embedded with helical loops.
MedLine Citation:
PMID:  23400109     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Introducing stretchability and elasticity into carbon nanotube (CNT) yarns could extend their applications to areas such as stretchable and deformable fiber-based devices and strain sensors. Here, we convert a straight and inelastic yarn into a highly elastic structure by spinning a predefined number of helical loops along the yarn, resulting in a short helical segment with smooth structural transition to the straight portions. The loop-forming process is well controlled, and the obtained straight-helical-straight hybrid yarn is freestanding, stable, and based entirely on CNTs. The elastic and conductive yarns can be stretched to moderate tensile strains (up to 25%) repeatedly for 1000 cycles without producing residual deformation, with a simultaneous and linear change of electrical resistance depending on the strain. Our results indicate that conventional straight CNT yarns could be used as fiber-shaped strain sensors by simple structural modification.
Authors:
Yuanyuan Shang; Yibin Li; Xiaodong He; Luhui Zhang; Zhen Li; Peixu Li; Enzheng Shi; Shiting Wu; Anyuan Cao
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-2-11
Journal Detail:
Title:  Nanoscale     Volume:  -     ISSN:  2040-3372     ISO Abbreviation:  Nanoscale     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-2-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101525249     Medline TA:  Nanoscale     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Centre for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, P. R. China. liyibin@hit.edu.cn.
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