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Stretchable Conductive Adhesives with Superior Electrical Stability as Printable Interconnects in Washable Textile Electronics.
ACS Appl Mater Interfaces 2019; 11(40):37043-37050AA

Abstract

As practical interest in stretchable electronics increases for future applications in wearables, healthcare, and robotics, the demand for electrical interconnects with high electrical conductivity, durability, printability, and adhesion is growing. Despite the high electrical conductivity and stretchability of most previous interconnects, they lack stable conductivity against strain and adhesion to stretchable substrates, leading to a limitation for their practical applications. Herein, we propose a stretchable conductive adhesive consisting of silver particles with carbon nanotube as an auxiliary filler in silicone adhesives. The conductive adhesive exhibits a high initial conductivity of 6450 S cm-1. They show little change in conductivity over 3000 stretching cycles at 50% strain, currently the highest stability reported for elastic conductors. Based on strong adhesion to stretchable substrates, the gel-free, dry adhesives printed on an elastic bandage for electrocardiography monitoring exhibit an extremely stable performance upon movement of the subject, even after several cycles of detachment-reattachment and machine washing.

Authors+Show Affiliations

KU-KIST Graduate School of Converging Science and Technology , Korea University , Seoul 02841 , Korea.No affiliation info availableNo affiliation info availableNo affiliation info availableDepartment of Chemical Engineering , Soongsil University , Seoul 06978 , Korea.Department of Chemistry , Sogang University , Seoul 04107 , Korea.No affiliation info availableKU-KIST Graduate School of Converging Science and Technology , Korea University , Seoul 02841 , Korea.Division of Energy & Environment Technology, KIST School , Korea University of Science and Technology (UST) , Seoul 02792 , Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31518103

Citation

Ko, Youngpyo, et al. "Stretchable Conductive Adhesives With Superior Electrical Stability as Printable Interconnects in Washable Textile Electronics." ACS Applied Materials & Interfaces, vol. 11, no. 40, 2019, pp. 37043-37050.
Ko Y, Oh J, Park KT, et al. Stretchable Conductive Adhesives with Superior Electrical Stability as Printable Interconnects in Washable Textile Electronics. ACS Appl Mater Interfaces. 2019;11(40):37043-37050.
Ko, Y., Oh, J., Park, K. T., Kim, S., Huh, W., Sung, B. J., ... Kim, H. (2019). Stretchable Conductive Adhesives with Superior Electrical Stability as Printable Interconnects in Washable Textile Electronics. ACS Applied Materials & Interfaces, 11(40), pp. 37043-37050. doi:10.1021/acsami.9b11557.
Ko Y, et al. Stretchable Conductive Adhesives With Superior Electrical Stability as Printable Interconnects in Washable Textile Electronics. ACS Appl Mater Interfaces. 2019 Oct 9;11(40):37043-37050. PubMed PMID: 31518103.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Stretchable Conductive Adhesives with Superior Electrical Stability as Printable Interconnects in Washable Textile Electronics. AU - Ko,Youngpyo, AU - Oh,Jinwoo, AU - Park,Kyung Tae, AU - Kim,Soojin, AU - Huh,Wansoo, AU - Sung,Bong June, AU - Lim,Jung Ah, AU - Lee,Sang-Soo, AU - Kim,Heesuk, Y1 - 2019/09/25/ PY - 2019/9/14/pubmed PY - 2019/9/14/medline PY - 2019/9/14/entrez KW - adhesion KW - conductive adhesives KW - stretchability KW - superstability KW - washability SP - 37043 EP - 37050 JF - ACS applied materials & interfaces JO - ACS Appl Mater Interfaces VL - 11 IS - 40 N2 - As practical interest in stretchable electronics increases for future applications in wearables, healthcare, and robotics, the demand for electrical interconnects with high electrical conductivity, durability, printability, and adhesion is growing. Despite the high electrical conductivity and stretchability of most previous interconnects, they lack stable conductivity against strain and adhesion to stretchable substrates, leading to a limitation for their practical applications. Herein, we propose a stretchable conductive adhesive consisting of silver particles with carbon nanotube as an auxiliary filler in silicone adhesives. The conductive adhesive exhibits a high initial conductivity of 6450 S cm-1. They show little change in conductivity over 3000 stretching cycles at 50% strain, currently the highest stability reported for elastic conductors. Based on strong adhesion to stretchable substrates, the gel-free, dry adhesives printed on an elastic bandage for electrocardiography monitoring exhibit an extremely stable performance upon movement of the subject, even after several cycles of detachment-reattachment and machine washing. SN - 1944-8252 UR - https://www.unboundmedicine.com/medline/citation/31518103/Stretchable_Conductive_Adhesives_with_Superior_Electrical_Stability_as_Printable_Interconnects_in_Washable_Textile_Electronics_ L2 - https://dx.doi.org/10.1021/acsami.9b11557 DB - PRIME DP - Unbound Medicine ER -