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Porous Fibers Composed of Polymer Nanoball Decorated Graphene for Wearable and Highly Sensitive Strain Sensors
Huang, Tao; He, Peng; Wang, Ranran; Yang, Siwei; Sun, Jing; Xie, Xiaoming; Ding, Guqiao
2019-11-30
Source PublicationADVANCED FUNCTIONAL MATERIALS
ISSN1616-301X
Volume29Issue:45
SubtypeArticle
AbstractWearable textile strain sensors that can perceive and respond to human stimuli are an essential part of wearable electronics. Yet, the detection of subtle strains on the human body suffers from the low sensitivity of many existing sensors. Generally, the inadequate sensitivity originates from the strong structural integrity of the sensors because tiny external strains cannot trigger enough variation in the conducting network. Inspired by the rolling friction where the interaction is weakened by decreasing interface area, porous fibers made of graphene decorated with nanoballs are prepared via a prolonged phase-separation process. This novel structure confers the graphene fibers with high gauge factors (51 in 0-5% and 87 in 5-8%), which is almost 10 times larger than the same structures without nanoballs. A low detection limit (0.01% strain) and good durability (over 6000 circles) are obtained. By the virtue of these qualities, these fiber-based textile sensors can recognize a pulse wave and eyeball movement in real-time while keeping comfortable wearing sense. Moreover, by weaving such fibers, the electronic fabrics with a specially designed structure can distinguish the multilocation in real time, which shows great potential as wearable electronics.
Keywordelectronic fabrics nanoballs porous graphene fibers strain sensors
DOI10.1002/adfm.201903732
WOS KeywordELECTRONIC SKIN ; ENERGY
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27548
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Huang, Tao,He, Peng,Wang, Ranran,et al. Porous Fibers Composed of Polymer Nanoball Decorated Graphene for Wearable and Highly Sensitive Strain Sensors[J]. ADVANCED FUNCTIONAL MATERIALS,2019,29(45).
APA Huang, Tao.,He, Peng.,Wang, Ranran.,Yang, Siwei.,Sun, Jing.,...&Ding, Guqiao.(2019).Porous Fibers Composed of Polymer Nanoball Decorated Graphene for Wearable and Highly Sensitive Strain Sensors.ADVANCED FUNCTIONAL MATERIALS,29(45).
MLA Huang, Tao,et al."Porous Fibers Composed of Polymer Nanoball Decorated Graphene for Wearable and Highly Sensitive Strain Sensors".ADVANCED FUNCTIONAL MATERIALS 29.45(2019).
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