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Size-controllable copper nanomaterials for flexible printed electronics

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Abstract

Size-controllable copper nanomaterials were easily obtained via an improved polyol process by regulating the dosage of copper source and reducing agent. The monodisperse copper nanoparticles with strong antioxidation properties were employed as fillers to fabricate conductive ink. The copper-based ink could be screen-printed onto flexible substrates, which shows persistent stability and uniform properties without color change for a few days. After heating at 240 °C (40 min) in N2 atmosphere, a low electrical resistivity of 16.2 μΩ cm was obtained for the copper nanomaterial-based conductive pattern.

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Acknowledgements

This work is partially supported by the National Natural Science Foundation of China (61704033, U1601202), the Foundation for Distinguished Young Talents in Higher Education of Guangdong (2016KQNCX046), and the Fund of Guangdong R&D Science and Technology (2017A050501053, 2017A010106005, 2017A050506053).

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Authors and Affiliations

  1. School of Electromechanical Engineering and Key Laboratory of Mechanical Equipment Manufacturing and Control Technology of Ministry of Education, Guangdong University of Technology, Guangzhou, China

    Yu Zhang, Chengqiang Cui, Bin Yang & Kai Zhang

  2. Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China

    Pengli Zhu, Gang Li & Rong Sun

  3. Department of Electronics Engineering, The Chinese University of Hong Kong, Shatin NT, Hong Kong SAR, China

    Chingping Wong

  4. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA

    Chingping Wong

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  1. Yu Zhang
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  2. Chengqiang Cui
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  3. Bin Yang
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  4. Kai Zhang
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  5. Pengli Zhu
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  6. Gang Li
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  8. Chingping Wong
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Correspondence to Pengli Zhu.

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Zhang, Y., Cui, C., Yang, B. et al. Size-controllable copper nanomaterials for flexible printed electronics. J Mater Sci 53, 12988–12995 (2018). https://doi.org/10.1007/s10853-018-2564-1

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  • DOI: https://doi.org/10.1007/s10853-018-2564-1

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