Title UV Treatment of Flexible Copper Nanowire Mesh Films for Transparent Conductor Applications
Authors Lonne, Quentin , ENDRINO ARMENTEROS, JOSÉ LUIS, Huang, Zhaorong
External publication Si
Means Nanoscale Res. Lett.
Scope Article
Nature Científica
JCR Quartile 1
SJR Quartile 2
JCR Impact 3.12500
SJR Impact 0.71300
Web https://www.scopus.com/inward/record.uri?eid=2-s2.0-85032585010&doi=10.1186%2fs11671-017-2343-y&partnerID=40&md5=fbe747850f6afa55951174581cbed98d
Publication date 30/10/2017
ISI 000414325800001
Scopus Id 2-s2.0-85032585010
DOI 10.1186/s11671-017-2343-y
Abstract Copper nanowires have the potential to reach and even exceed the indium tin oxide performances as flexible transparent conductive electrodes. However, for a large-scale production, they need to be fabricated in a high-speed, low-cost way, without degrading the flexible substrate. One of the major bottlenecks resides in the post-treatment used to remove organic residues from the surface of the nanowires after forming the transparent electrode, which is necessary to obtain high optoelectronic performances. Here, we propose an ultra-violet irradiation and a subsequent acetic acid bath as an easy, scalable, fast post-treatment. After only 2 min of ultra-violet treatment, followed by 10 min of acid bath, an Rs of 42 Omega sq(-1) and a T-550 (nm) of 87% were measured. Besides, copper nanowire electrodes maintained their high transparency in the range 750-2500 nm, which makes them good candidates for applications such as infrared solar cells.
Keywords Copper nanowires; Transparent conductive electrodes; Ultra-violet treatment
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