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http://dx.doi.org/10.5369/JSST.2019.28.6.366

Characterization of Ag Nanowire Transparent Electrode Fabricated on PVDF Film  

Ra, Yong-Ho (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Park, Hyelim (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
An, Soyeon (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Kim, Jin-Ho (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Jeon, Dae-Woo (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Kim, SunWoog (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Lee, Mijai (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Hwang, Jonghee (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Lim, Tae Young (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Lee, YoungJin (Optic & Electronic Component Material Center, Korea Institute of Ceramic Engineering & Technology)
Publication Information
Journal of Sensor Science and Technology / v.28, no.6, 2019 , pp. 366-370 More about this Journal
Abstract
In this study, we have successfully fabricated a highly conductive transparent electrode using Ag nanowires, based on piezoelectric polyvinylidene difluoride (PVDF) film, that can be applied as transparent and flexible speakers. The structural morphology of the Ag nanowires was confirmed by a detailed scanning electron microscopy. Ultraviolet-visible spectroscopy demonstrated that the transparent electrode fabricated by the Ag nanowires exhibited a transmittance of above 70%. The transparent electrode also showed very low sheet resistance with high flexibility. We have further developed an anti-oxidation coating layer by using a tetraethyl orthosilicate-poly trimethyloxyphenylsilane (TEOS-PTMS) slurry technique. It was confirmed that the transmittance and sheet resistance of the antioxidant film depends critically on the humidity of the film surface. We believe such Ag nanowire electrodes are a very promising next-generation transparent electrode technology that can be used in future flexible and transparent devices.
Keywords
Transparent electrode; PVDF; Ag nanowire; Piezoelectric film; Transparent speaker;
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