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김재원(Jaewon Kim),김동관(Dongkwan Kim),방준혁(Junhyuk Bang),고승환(Seung Hwan Ko) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Copper nanowire has mortal disadvantages in the oxidation and inadequacy of biological compatibility, which sometimes exceed its advantages like low-cost characteristics, excellent mechanical and electrical properties. In this paper, we introduce an innovative biocompatible and oxidation-resistant Cu–Au core–shell nanowire. The Cu–Au core–shell nanowire reveals stable electrical property against oxidation under the severe environment of 80% relative humidity and 80 °C temperature. Moreover, to verify appropriateness for the biomedical application, the improved biocompatibility and chemical stability are examined. Even after the harsh environment test, Cu-Au core-shell nanowire electrode utilized as electrocardiogram (ECG) and electro-myogram (EMG) sensors indicates remarkable biocompatibility and oxidation-resistance. The Cu–Au core–shell nanowire can contribute to cost-effective and stable diverse wearable electronics applications.