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Functionalized boron nitride membranes with ultrafast solvent transport performance for molecular separation

Author

Listed:
  • Cheng Chen

    (Deakin University)

  • Jiemin Wang

    (Deakin University)

  • Dan Liu

    (Deakin University)

  • Chen Yang

    (Deakin University)

  • Yuchen Liu

    (Deakin University)

  • Rodney S. Ruoff

    (Ulsan National Institute of Science and Technology
    Ulsan National Institute of Science and Technology (UNIST)
    Ulsan National Institute of Science and Technology (UNIST))

  • Weiwei Lei

    (Deakin University)

Abstract

Pressure-driven, superfast organic solvent filtration membranes have significant practical applications. An excellent filtration membrane should exhibit high selectivity and permeation in aqueous and organic solvents to meet increasing industrial demand. Here, we report an amino functionalized boron nitride (FBN) based filtration membrane with a nanochannel network for molecular separation and permeation. This membrane is highly stable in water and in several organic solvents and shows high transport performance for solvents depending on the membranes’ thickness. In addition, the FBN membrane is applicable for solute screening in water as well as in organic solvents. More importantly, the FBN membranes are very stable in acidic, alkaline and oxidative media for up to one month. The fast-flow rate and good separation performance of the FBN membranes can be attributed to their stable networks of nanochannels and thin laminar structure, which provide the membranes with beneficial properties for practical separation and purification processes.

Suggested Citation

  • Cheng Chen & Jiemin Wang & Dan Liu & Chen Yang & Yuchen Liu & Rodney S. Ruoff & Weiwei Lei, 2018. "Functionalized boron nitride membranes with ultrafast solvent transport performance for molecular separation," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04294-6
    DOI: 10.1038/s41467-018-04294-6
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