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Facile preparation of graphene nanowalls/EVA hybrid film for ultraflexible transparent electrodes

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Abstract

Ultraflexible, wearable, transparent, and conductive films have recently attracted increasing interest due to their applicability in various electronic devices. In this work, we report a facile, green, and inexpensive approach to preparing flexible hybrid films from graphene nanowalls (GNWs) and ethylene vinyl acetate (EVA) copolymer based on plasma-enhanced chemical vapor deposition (PECVD). PECVD at low temperature (~700 °C) on electrochemically polished Cu foil was found to be an effective method of preparing highly conductive and highly transparent GNWs. The resulting GNWs/EVA hybrid films can be randomly folded, bent, and tailored; they also have a low sheet resistance of ~2.09 kΩ sq−1, a high optical transparency of 67.58% in the UV region, and high wear resistance and ductility, all of which imply that these are highly promising films for use in flexible electronic applications.

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Acknowledgements

The authors would like to thank the financial support provided by the Science and Technology Major Project of Shanxi Province (no. MC2016-06), the Project of Jiangsu Key Laboratory for Clad Materials, China (no. BM2014006), the National Natural Science Foundation of China (no. 21173041), and the Opening Project of Jiangsu Key Laboratory of Advanced Metallic Materials, China.

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Authors and Affiliations

  1. Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering, Southeast University, Nanjing, 211189, China

    Zhongtao Chen, Xinli Guo, Yuanyuan Liu, Weijie Zhang, Xuan Tang, Yanmei Zheng, Yixuan Wang & Zengmei Wang

  2. Yinbang Clad Material Co., Ltd, Wuxi, 214145, China

    Long Li

  3. College of Materials Science and Engineering, North University of China, Taiyuan, 030051, China

    Yuhong Zhao

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  1. Zhongtao Chen
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  2. Xinli Guo
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  3. Yuanyuan Liu
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  5. Xuan Tang
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Correspondence to Xinli Guo or Yuhong Zhao.

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Chen, Z., Guo, X., Liu, Y. et al. Facile preparation of graphene nanowalls/EVA hybrid film for ultraflexible transparent electrodes. J Solid State Electrochem 23, 1473–1480 (2019). https://doi.org/10.1007/s10008-019-04231-7

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  • DOI: https://doi.org/10.1007/s10008-019-04231-7

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