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Thermal Degradation Behavior of Ag Nanowire-Coated Transparent Conductive Film

Kim Jae-Yeon, Kim Hye-Young, Kim Hyun-Su, Yoo Ki-Tae, Yang Won-Jon, Byeon Jai-Won

Archives of Metallurgy and Materials

2019

Vol. 64, iss. 3

913--916

For the reliable applications of silver nanowires, AgNW, which is used as a conductive transparent film in electronic devices, the isothermal degradation behaviors of AgNW films with and without overcoating were investigated. Accelerated isothermal degradation was performed as a function of temperature, time, and atmosphere. Electrical resistance and optical transmittance were measured and correlated with the microstructural damages, such as formation of oxide particles and fragmentations of AgNW, which were quantitatively determined from the scanning electron micrographs. The overcoating retarded the formation of oxide particles and subsequent fragmentations as well as resulting degradation in electrical resistance without affecting the optical transmittance.