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https://hdl.handle.net/10356/140252
Title: | Stretchable conductive fibers based on a cracking control strategy for wearable electronics | Authors: | Zhang, Bo Lei, Jie Qi, Dianpeng Liu, Zhiyuan Wang, Yu Xiao, Gengwu Wu, Jiansheng Zhang, Weina Huo, Fengwei Chen, Xiaodong |
Keywords: | Engineering::Materials | Issue Date: | 2018 | Source: | Zhang, B., Lei, J., Qi, D., Liu, Z., Wang, Y., Xiao, G., . . . Chen, X. (2018). Stretchable conductive fibers based on a cracking control strategy for wearable electronics. Advanced Functional Materials, 28(29), 1801683-. doi:10.1002/adfm.201801683 | Journal: | Advanced Functional Materials | Abstract: | Stretchability plays an important role in wearable devices. Repeated stretching often causes the conductivity dramatically decreasing due to the damage of the inner conductive layer, which is a fatal and undesirable issue in this field. Herein, a convenient rolling strategy to prepare conductive fibers with high stretchability based on a spiral structure is proposed. With the simple rolling design, low resistance change can be obtained due to confined elongation nof the gold thin-film cracks, which is caused by the encapsulated effect in such a structure. When the fiber is under 50% strain, the resistance change (R/R0) is about 1.5, which is much lower than a thin film at the same strain (R/R0 ≈ 10). The fiber can even afford a high load strain (up to 100%), but still retain good conductivity. Such a design further demonstrates its capability when it is used as a conductor to confirm signal transfer with low attenuation, which can also be woven into textile to fabricate wearable electronics. | URI: | https://hdl.handle.net/10356/140252 | ISSN: | 1616-301X | DOI: | 10.1002/adfm.201801683 | Schools: | School of Materials Science & Engineering | Organisations: | Innovative Centre for Flexible Devices | Rights: | © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | MSE Journal Articles |
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