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Copper nanowires (CuNWs) are becoming an indispensable item for next-generation transparent optical devices due to their excellent conductivity and transparency. In this work, ultrathin semicircle-shaped copper nanowires(SCuNWs) with a diameter of ~ 15 nm and a length of ~ 30 μm (aspect ratio of ~2, 000) were synthesized in ethanol solution. The mechanism and factors that affect the morphology and dispersity of the SCuNWs were investigated. The prepared SCuNWs were coated on polyethylene terephthalate (PET) or polydimethylsiloxane (PDMS) substrate to fabricate flexible transparent conductors (FTCs). The fabricated FTCs exhibited excellent optoelectrical performance and low haze. In addition, the fabricated FTCs showed high mechanical stability during stretching and bending, indicating their great potential in flexible optical devices.

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Publication history

Received: 30 September 2017
Revised: 14 December 2017
Accepted: 16 December 2017
Published: 02 August 2018
Issue date: July 2018

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© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Acknowledgements

Acknowledgements

This work was supported by the National Natural Science Fund for Distinguished Young Scholars (No. 21425417), the National Natural Science Foundation of China (Nos. 21603156 and 21704071), Jiangsu Province Science Foundation for Youths (Nos. BK20170331 and BK20170332) and the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

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Email: nanores@tup.tsinghua.edu.cn

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