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Highly stretchable patternable conductive circuits and wearable strain sensors based on polydimethylsiloxane and silver nanoparticles.
Nanotechnology. 2019 May 03; 30(18):185501.N

Abstract

Patterned circuits on highly stretchable conductive films are critical in the practical application of next-generation flexible and wearable devices. Currently, most patterned circuits do not exhibit highly stretchable properties, and a lithography process in vacuum is required. In this study, silver nanoparticles (AgNPs) and liquid polydimethylsiloxane (PDMS) are mixed together to form liquid conductive adhesives (CAs). Various stretchable patterned circuits are prepared using this CA to achieve all required functions. Six basic patterns, including rhombus, straight lines, serpentine, triangle, ellipses, and fold line, are studied for their stretchable and electrical properties. The film is found to maintain excellent conductivity after withstanding tensile strain of up to 320% and more than 10 000 stretching-releasing cycles of 0%-150%. More than 86% of visible lights can be penetrated through the film due to the transparent substrates. Functional and wearable devices are manufactured, and devices fabricated from rhombus-pattern circuits are found to exhibit stable electrical conductivity when subjected to very high tensile strains. According to the sensitivity of the straight-line patterned circuit to strain, a repeatable use sensitive strain sensor is studied. Also, two types of artificial electrical skin are demonstrated.

Authors+Show Affiliations

Flexible Printed Electronics Technology Center, Harbin Institute of Technology, Shenzhen, 518055, People's Republic of China. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, People's Republic of China. School of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen, 518055, People's Republic of China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30673645

Citation

Feng, Pengdong, et al. "Highly Stretchable Patternable Conductive Circuits and Wearable Strain Sensors Based On Polydimethylsiloxane and Silver Nanoparticles." Nanotechnology, vol. 30, no. 18, 2019, p. 185501.
Feng P, Ji H, Zhang L, et al. Highly stretchable patternable conductive circuits and wearable strain sensors based on polydimethylsiloxane and silver nanoparticles. Nanotechnology. 2019;30(18):185501.
Feng, P., Ji, H., Zhang, L., Luo, X., Leng, X., He, P., Feng, H., Zhang, J., Ma, X., & Zhao, W. (2019). Highly stretchable patternable conductive circuits and wearable strain sensors based on polydimethylsiloxane and silver nanoparticles. Nanotechnology, 30(18), 185501. https://doi.org/10.1088/1361-6528/ab013b
Feng P, et al. Highly Stretchable Patternable Conductive Circuits and Wearable Strain Sensors Based On Polydimethylsiloxane and Silver Nanoparticles. Nanotechnology. 2019 May 3;30(18):185501. PubMed PMID: 30673645.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Highly stretchable patternable conductive circuits and wearable strain sensors based on polydimethylsiloxane and silver nanoparticles. AU - Feng,Pengdong, AU - Ji,Hongjun, AU - Zhang,Ling, AU - Luo,Xuan, AU - Leng,Xuesong, AU - He,Peng, AU - Feng,Huanhuan, AU - Zhang,Jiaheng, AU - Ma,Xing, AU - Zhao,Weiwei, Y1 - 2019/01/23/ PY - 2019/1/24/pubmed PY - 2019/1/24/medline PY - 2019/1/24/entrez SP - 185501 EP - 185501 JF - Nanotechnology JO - Nanotechnology VL - 30 IS - 18 N2 - Patterned circuits on highly stretchable conductive films are critical in the practical application of next-generation flexible and wearable devices. Currently, most patterned circuits do not exhibit highly stretchable properties, and a lithography process in vacuum is required. In this study, silver nanoparticles (AgNPs) and liquid polydimethylsiloxane (PDMS) are mixed together to form liquid conductive adhesives (CAs). Various stretchable patterned circuits are prepared using this CA to achieve all required functions. Six basic patterns, including rhombus, straight lines, serpentine, triangle, ellipses, and fold line, are studied for their stretchable and electrical properties. The film is found to maintain excellent conductivity after withstanding tensile strain of up to 320% and more than 10 000 stretching-releasing cycles of 0%-150%. More than 86% of visible lights can be penetrated through the film due to the transparent substrates. Functional and wearable devices are manufactured, and devices fabricated from rhombus-pattern circuits are found to exhibit stable electrical conductivity when subjected to very high tensile strains. According to the sensitivity of the straight-line patterned circuit to strain, a repeatable use sensitive strain sensor is studied. Also, two types of artificial electrical skin are demonstrated. SN - 1361-6528 UR - https://www.unboundmedicine.com/medline/citation/30673645/Highly_stretchable_patternable_conductive_circuits_and_wearable_strain_sensors_based_on_polydimethylsiloxane_and_silver_nanoparticles_ L2 - https://doi.org/10.1088/1361-6528/ab013b DB - PRIME DP - Unbound Medicine ER -
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