Effect of temperature on the oxidation of Cu nanowires and development of an easy to produce, oxidation-resistant transparent conducting electrode using a PEDOT:PSS coating

Scientific Reports
Dedi MardiansyahJunsuk Rho

Abstract

Oxidation can strongly influence the performance of Cu nanowires (CuNWs) by decreasing their conductivity. Here, we identify and investigate a way to prevent the oxidation process of CuNWs to maintain the high conducting performance of CuNWs as transparent electrodes. CuNWs were synthesised using an aqueous method. We prepared several temperature treatments (from 0-300 °C) to represent oxidation of CuNWs in different environments, to study the oxidation process and changes in morphology in detail. Depending on the temperature, smooth and uniform CuNWs exposed to oxidation produced rough Cu2O and CuO nanowires. We then suggest a method of protecting nanowires from oxidation, using the Mayer rod coating method to apply a layer of PEDOT:PSS to a transparent conducting film of CuNWs. The result indicates that this method of protection can protect the film, and maintain a stable, and constant resistance over of time, without effecting the excellent conductivity properties of pure CuNWs.

References

Oct 1, 2005·Nanotechnology·Jianhong ZhangJihua Guo
Nov 6, 2010·Nanotechnology·Dongdong LiJia G Lu
Jan 10, 2012·Nanoscale Research Letters·Anita Sagadevan Ethiraj, Dae Joon Kang
Sep 25, 2014·Advanced Materials·Shengrong YeBenjamin J Wiley
Jan 13, 2015·Physical Chemistry Chemical Physics : PCCP·Liangjing ShiJing Sun

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Citations

Aug 23, 2020·Sensors·Tibor Barši PalmićMiha Boltežar
Oct 25, 2020·Nanomaterials·Kanthasamy RaagulanJoonsik Lee
Apr 22, 2020·ACS Applied Materials & Interfaces·Wooyoung KimJyongsik Jang

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