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Highly conductive, stretchable and biocompatible Ag-Au core-sheath nanowire composite for wearable and implantable bioelectronics
Suji Choi, Sang Ihn Han, Dongjun Jung, Hye Jin Hwang, Chaehong Lim, Soochan Bae, Ok Kyu Park, Cory M. Tschabrunn, Mincheol Lee, Sun Youn Bae, Ji Woong Yu, Ji Ho Ryu, Sang-Woo Lee, Kyungpyo Park, Peter M. Kang, Won Bo Lee, Reza Nezafat, Taeghwan Hyeon*, Dae-Hyeong Kim*
Abstract
Mechanical tests and simulations show that strain concentrates in soft, polymer-rich regions of silver-gold nanowire composites, helping the conductive network remain connected as the material stretches.