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Metal Nanowire-Coated Metal Woven Mesh for High-Performance Stretchable Transparent Electrodes
Cho, Ji Hwan,Kang, Dong Joo,Jang, Nam-Su,Kim, Kang-Hyun,Won, Phillip,Ko, Seung Hwan,Kim, Jong-Man American Chemical Society 2017 ACS APPLIED MATERIALS & INTERFACES Vol.9 No.46
<P>This work presents a new template-assisted fabrication method to obtain stretchable metal grids for high-performance stretchable transparent conducting electrodes (TCEs). Readily accessible metal woven mesh (MWM) is used as a template to make the fabrication process simple, cost-effective, reproducible, and potentially scalable by combining it with silver nanowire (AgNW) coating and elastomer filling processes. Stretchable TCEs are made with the AgNW-coated MWM and show remarkable optoelectronic performance with a sheet resistance of similar to 3.2 Omega/sq and optical transmittance of >80%, large maximum stretchability of 40%, and electrical and mechanical robustness even under repeated stretching and bending deformations (1000 cycles). The device is demonstrated in a highly flexible touch screen panel that can operate well even in a bent state.</P>
Soft, elastic, and conductive epicardial mesh for an electromechanical hug the heart
최수지,김대형 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.1
Heart failure is one of the major public health problem, which has higher 5-year mortality than that of most cancers. In case of myocardial disease in heart failure, impairment of the specialized electrical conduction system and myocardium are frequently followed. Here, we introduce a conductive and soft epicardial mesh to wrap the heart around. The high conductivity of the epicardial mesh electrodes enabled to detect electrical signals reliably on the moving heart, without impeding diastolic function. Synchronized electrical stimulation over the ventricles improved systolic function in diseased model. The epicardial mesh could deliver electrical shock to terminate a ventricular tachyarrhythmia. The soft epicardial device integrated well with the heart and acted as a structural element, resulting in reduced wall stress. Electromechanical cardioplasty using an epicardial mesh can expand a new and achievable pathway toward reconstruction of the cardiac specialized functions.