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Controllable ion transport by surface-charged graphene oxide membrane

Author

Listed:
  • Mengchen Zhang

    (Nanjing Tech University)

  • Kecheng Guan

    (Nanjing Tech University)

  • Yufan Ji

    (Nanjing Tech University)

  • Gongping Liu

    (Nanjing Tech University)

  • Wanqin Jin

    (Nanjing Tech University)

  • Nanping Xu

    (Nanjing Tech University)

Abstract

Ion transport is crucial for biological systems and membrane-based technology. Atomic-thick two-dimensional materials, especially graphene oxide (GO), have emerged as ideal building blocks for developing synthetic membranes for ion transport. However, the exclusion of small ions in a pressured filtration process remains a challenge for GO membranes. Here we report manipulation of membrane surface charge to control ion transport through GO membranes. The highly charged GO membrane surface repels high-valent co-ions owing to its high interaction energy barrier while concomitantly restraining permeation of electrostatically attracted low-valent counter-ions based on balancing overall solution charge. The deliberately regulated surface-charged GO membranes demonstrate remarkable enhancement of ion rejection with intrinsically high water permeance that exceeds the performance limits of state-of-the-art nanofiltration membranes. This facile and scalable surface charge control approach opens opportunities in selective ion transport for the fields of water transport, biomimetic ion channels and biosensors, ion batteries and energy conversions.

Suggested Citation

  • Mengchen Zhang & Kecheng Guan & Yufan Ji & Gongping Liu & Wanqin Jin & Nanping Xu, 2019. "Controllable ion transport by surface-charged graphene oxide membrane," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-09286-8
    DOI: 10.1038/s41467-019-09286-8
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    Cited by:

    1. Shihao Su & Yifan Zhang & Shengyuan Peng & Linxin Guo & Yong Liu & Engang Fu & Huijun Yao & Jinlong Du & Guanghua Du & Jianming Xue, 2022. "Multifunctional graphene heterogeneous nanochannel with voltage-tunable ion selectivity," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Weipeng Xian & Xiuhui Zuo & Changjia Zhu & Qing Guo & Qing-Wei Meng & Xincheng Zhu & Sai Wang & Shengqian Ma & Qi Sun, 2022. "Anomalous thermo-osmotic conversion performance of ionic covalent-organic-framework membranes in response to charge variations," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Rongming Xu & Yuan Kang & Weiming Zhang & Bingcai Pan & Xiwang Zhang, 2023. "Two-dimensional MXene membranes with biomimetic sub-nanochannels for enhanced cation sieving," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Ce Yang & Haiyan Wang & Jiaxin Bai & Tiancheng He & Huhu Cheng & Tianlei Guang & Houze Yao & Liangti Qu, 2022. "Transfer learning enhanced water-enabled electricity generation in highly oriented graphene oxide nanochannels," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    5. Kecheng Guan & Yanan Guo & Zhan Li & Yuandong Jia & Qin Shen & Keizo Nakagawa & Tomohisa Yoshioka & Gongping Liu & Wanqin Jin & Hideto Matsuyama, 2023. "Deformation constraints of graphene oxide nanochannels under reverse osmosis," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    6. Jiao, Yanmei & Yang, Chun & Zhang, Wenyao & Wang, Qiuwang & Zhao, Cunlu, 2024. "A review on direct osmotic power generation: Mechanism and membranes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).
    7. Haiguang Zhang & Jiajian Xing & Gaoliang Wei & Xu Wang & Shuo Chen & Xie Quan, 2024. "Electrostatic-induced ion-confined partitioning in graphene nanolaminate membrane for breaking anion–cation co-transport to enhance desalination," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    8. Di Wei & Feiyao Yang & Zhuoheng Jiang & Zhonglin Wang, 2022. "Flexible iontronics based on 2D nanofluidic material," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    9. Hai Liu & Xinxi Huang & Yang Wang & Baian Kuang & Wanbin Li, 2024. "Nanowire-assisted electrochemical perforation of graphene oxide nanosheets for molecular separation," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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