One-pot ball-milling preparation of graphene/carbon black aqueous inks for highly conductive and flexible printed electronics

  • Xiao Yang (杨晓)
  • Xiao-Ming Li (李晓明)
  • Qing-Qiang Kong (孔庆强)
  • Zhuo Liu (刘卓)
  • Jing-Peng Chen (陈景鹏)
  • Hui Jia (贾辉)
  • Yan-Zhen Liu (刘燕珍)
  • Li-Jing Xie (谢莉婧)
  • Cheng-Meng Chen (陈成猛)Email author


Stable aqueous carbon inks, with graphene sheets (GSs) and carbon black (CB) as conductive fillers, are prepared by a simple one-pot ball-milling method. The as-prepared composite ink with 10 wt% GSs shows optimized rheological properties (viscosity and thixotropy) for screen printing. The as-printed coatings based on the above ink are uniform and dense on a polyimide substrate, and exhibit a sandwich-type conductive three dimensional network at the microscale. The resistivity of the typical composite coating is as low as 0.23±0.01 Ω cm (92±4 Ω sq−1, 25 µm), which is 30% as that of a pure CB coating (0.77±0.01 Ω cm). It is noteworthy that the resistivity decreases to 0.18±0.01 Ω cm (72±4 Ω sq−1, 25 µm) after a further rolling compression. The coating exhibits good mechanical flexibility, and the resistance slightly increases by 12% after 3000 bending cycles. With the CB/GSs composite coatings as a flexible conductor, fascinating luminescent bookmarks and membrane switches were fabricated, demonstrating the tremendous potential of these coatings in the commercial production of flexible electronics and devices.


graphene carbon black conductive inks printed electronics one-pot ball-milling 



本文以石墨烯和炭黑作为导电填料, 通过一步球磨法制备了高导电的水性碳系油墨. 当石墨烯质量分数为10%时, 复合油墨具有最优的流变学性能; 在丝网印刷中, 该油墨在聚酰亚胺基底上形成均匀致密的涂层. 在微观上, 涂层具有夹层三维网络结构, 电阻率为0.23±0.01 Ω cm (92±4 Ω sq−1, 25 μm), 是纯炭黑涂层电阻率(0.77±0.01 Ω cm)的30%. 辊压处理后, 电阻率降至0.18±0.01 Ω cm (72±4 Ω sq−1, 25 μm), 且涂层具有良好的机械柔性, 经过3000次循环弯折试验后电阻仅增加12%. 最后, 我们将石墨烯/炭黑复合涂层作为柔性导体, 成功组装了发光书签和薄膜开关, 表明该涂层在柔性电子器件大规模生产中具有巨大的潜力.



This research was supported by the Scientific and Technological Key Project of Shanxi Province (MC2016-04 and MC2016-08), Natural Science Foundation of Shanxi Province (201801D221156), DNL Cooperation Fund of CAS (DNL180308), Science and Technology Service Network Initiative of CAS (KFJ-STS-ZDTP-068), and Youth Innovation Promotion Association of CAS.

Conflict of interest The authors declare no conflict of interest.

Supplementary material

40843_2019_1210_MOESM1_ESM.pdf (3.7 mb)
One-Pot Ball-Milling Preparation of Graphene/Carbon Black Aqueous Inks for Highly Conductive and Flexible Printed Electronics


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Xiao Yang (杨晓)
    • 1
    • 2
  • Xiao-Ming Li (李晓明)
    • 1
  • Qing-Qiang Kong (孔庆强)
    • 1
    • 2
  • Zhuo Liu (刘卓)
    • 1
  • Jing-Peng Chen (陈景鹏)
    • 1
    • 2
  • Hui Jia (贾辉)
    • 1
    • 2
  • Yan-Zhen Liu (刘燕珍)
    • 1
  • Li-Jing Xie (谢莉婧)
    • 1
  • Cheng-Meng Chen (陈成猛)
    • 1
    Email author
  1. 1.CAS Key Laboratory of Carbon Materials, Institute of Coal ChemistryChinese Academy of SciencesTaiyuanChina
  2. 2.University of Chinese Academy of SciencesBeijingChina

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