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http://dx.doi.org/10.46670/JSST.2020.29.4.227

Joule Heating of Metallic Nanowire Random Network for Transparent Heater Applications  

Pichitpajongkit, Aekachan (Department of Mechanical Engineering, KAIST)
Eom, Hyeonjin (Department of Mechanical Engineering, KAIST)
Park, Inkyu (Department of Mechanical Engineering, KAIST)
Publication Information
Journal of Sensor Science and Technology / v.29, no.4, 2020 , pp. 227-231 More about this Journal
Abstract
Silver nanowire random networks are promising candidates for replacing indium tin oxide (ITO) as transparent and conductive electrodes. They can also be used as transparent heating films with self-cleaning and defogging properties. By virtue of the Joule heating effect, silver nanowire random networks can be heated when voltage bias is applied; however, they are unsuitable for long-term use. In this work, we study the Joule heating of silver nanowire random networks embedded in polymers. Silver nanowire random networks embedded in polymers exhibit breakdown under the application of electric current. Their surface morphological changes indicate that nanoparticle formation may be the main cause of this electrical breakdown. Numerical analyses are used to investigate the temperatures of the silver nanowire and substrate.
Keywords
Silver nanowire; transparent electrode; Joule heating; hybrimer substrate; electrical breakdown;
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