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Surface Strain Redistribution on Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors.
Adv Mater 2018; 30(5)AM

Abstract

Fiber-shaped stretchable strain sensors with small testing areas can be directly woven into textiles. This paves the way for the design of integrated wearable devices capable of obtaining real-time mechanical feedback for various applications. However, for a simple fiber that undergoes uniform strain distribution during deformation, it is still a big challenge to obtain high sensitivity. Herein, a new strategy, surface strain redistribution, is reported to significantly enhance the sensitivity of fiber-shaped stretchable strain sensors. A new method of transient thermal curing is used to achieve the large-scale fabrication of modified elastic microfibers with intrinsic microbeads. The proposed strategy is independent of the active materials utilized and can be universally applied for various active materials. The strategy used here will shift the vision of the sensitivity enhancement method from the active materials design to the mechanical design of the elastic substrate, and the proposed strategy can also be applied to nonfiber-shaped stretchable strain sensors.

Authors+Show Affiliations

Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore. Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore.Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Singapore, 138634, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.Innovative Centre for Flexible Devices (iFLEX), School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

29226515

Citation

Liu, Zhiyuan, et al. "Surface Strain Redistribution On Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors." Advanced Materials (Deerfield Beach, Fla.), vol. 30, no. 5, 2018.
Liu Z, Qi D, Hu G, et al. Surface Strain Redistribution on Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors. Adv Mater Weinheim. 2018;30(5).
Liu, Z., Qi, D., Hu, G., Wang, H., Jiang, Y., Chen, G., ... Chen, X. (2018). Surface Strain Redistribution on Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors. Advanced Materials (Deerfield Beach, Fla.), 30(5), doi:10.1002/adma.201704229.
Liu Z, et al. Surface Strain Redistribution On Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors. Adv Mater Weinheim. 2018;30(5) PubMed PMID: 29226515.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Surface Strain Redistribution on Structured Microfibers to Enhance Sensitivity of Fiber-Shaped Stretchable Strain Sensors. AU - Liu,Zhiyuan, AU - Qi,Dianpeng, AU - Hu,Guoyu, AU - Wang,Han, AU - Jiang,Ying, AU - Chen,Geng, AU - Luo,Yifei, AU - Loh,Xian Jun, AU - Liedberg,Bo, AU - Chen,Xiaodong, Y1 - 2017/12/11/ PY - 2017/07/28/received PY - 2017/09/21/revised PY - 2017/12/12/pubmed PY - 2017/12/12/medline PY - 2017/12/12/entrez KW - beads KW - enhanced sensitivity KW - fiber-shaped sensors KW - strain redistribution KW - stretchable strain sensors JF - Advanced materials (Deerfield Beach, Fla.) JO - Adv. Mater. Weinheim VL - 30 IS - 5 N2 - Fiber-shaped stretchable strain sensors with small testing areas can be directly woven into textiles. This paves the way for the design of integrated wearable devices capable of obtaining real-time mechanical feedback for various applications. However, for a simple fiber that undergoes uniform strain distribution during deformation, it is still a big challenge to obtain high sensitivity. Herein, a new strategy, surface strain redistribution, is reported to significantly enhance the sensitivity of fiber-shaped stretchable strain sensors. A new method of transient thermal curing is used to achieve the large-scale fabrication of modified elastic microfibers with intrinsic microbeads. The proposed strategy is independent of the active materials utilized and can be universally applied for various active materials. The strategy used here will shift the vision of the sensitivity enhancement method from the active materials design to the mechanical design of the elastic substrate, and the proposed strategy can also be applied to nonfiber-shaped stretchable strain sensors. SN - 1521-4095 UR - https://www.unboundmedicine.com/medline/citation/29226515/Surface_Strain_Redistribution_on_Structured_Microfibers_to_Enhance_Sensitivity_of_Fiber_Shaped_Stretchable_Strain_Sensors_ L2 - https://doi.org/10.1002/adma.201704229 DB - PRIME DP - Unbound Medicine ER -