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A transparent embedded Cu/Au-nanomesh electrode on flexible polymer film substrates

Authors
Jung, Pil-HoonKim, Yang DooChoi, Hak-JongSung, Young HoonLee, Heon
Issue Date
2016
Publisher
ROYAL SOC CHEMISTRY
Citation
RSC ADVANCES, v.6, no.95, pp.92970 - 92974
Indexed
SCIE
SCOPUS
Journal Title
RSC ADVANCES
Volume
6
Number
95
Start Page
92970
End Page
92974
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/90245
DOI
10.1039/c6ra12054g
ISSN
2046-2069
Abstract
Transparent embedded copper/gold (Cu/Au)-nanomesh electrodes are promising candidates to replace indium tin oxide (ITO). They are fabricated on a polyethylene terephthalate (PET) flexible polymer film using a transfer process on the scale of 11 mm x 11 mm. Because of the oxidation of copper, Cu-nanomesh electrodes have very low electrical conductivity. In order to solve this problem, we fabricated an electrode using a Cu/Au-bilayer. With the bilayer, we obtained a high transmittance and electric properties at wavelengths of 400-800 nm. Moreover, by controlling the pressure process, we obtained the transferred and embedded metal electrodes. We found that both the optical transmittance and the electrical conductivity of the embedded metal electrode were preserved after 50 000 bending cycles. Consequently, embedded Cu/Au-nanomesh electrodes have good mechanical strength and electrical properties appropriate for flexible transparent electrodes.
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