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Liquid phase blending of metal-organic frameworks

Author

Listed:
  • Louis Longley

    (University of Cambridge)

  • Sean M. Collins

    (University of Cambridge)

  • Chao Zhou

    (Aalborg University)

  • Glen J. Smales

    (University College London
    Diamond Light Source Ltd)

  • Sarah E. Norman

    (Rutherford Appleton Laboratory)

  • Nick J. Brownbill

    (University of Liverpool)

  • Christopher W. Ashling

    (University of Cambridge)

  • Philip A. Chater

    (Diamond Light Source Ltd)

  • Robert Tovey

    (Centre for Mathematical Sciences)

  • Carola-Bibiane Schönlieb

    (Centre for Mathematical Sciences)

  • Thomas F. Headen

    (Rutherford Appleton Laboratory)

  • Nicholas J. Terrill

    (Diamond Light Source Ltd)

  • Yuanzheng Yue

    (Aalborg University
    Wuhan University of Technology
    Qilu University of Technology)

  • Andrew J. Smith

    (Diamond Light Source Ltd)

  • Frédéric Blanc

    (University of Liverpool
    University of Liverpool)

  • David A. Keen

    (Rutherford Appleton Laboratory)

  • Paul A. Midgley

    (University of Cambridge)

  • Thomas D. Bennett

    (University of Cambridge)

Abstract

The liquid and glass states of metal–organic frameworks (MOFs) have recently become of interest due to the potential for liquid-phase separations and ion transport, alongside the fundamental nature of the latter as a new, fourth category of melt-quenched glass. Here we show that the MOF liquid state can be blended with another MOF component, resulting in a domain structured MOF glass with a single, tailorable glass transition. Intra-domain connectivity and short range order is confirmed by nuclear magnetic resonance spectroscopy and pair distribution function measurements. The interfacial binding between MOF domains in the glass state is evidenced by electron tomography, and the relationship between domain size and Tg investigated. Nanoindentation experiments are also performed to place this new class of MOF materials into context with organic blends and inorganic alloys.

Suggested Citation

  • Louis Longley & Sean M. Collins & Chao Zhou & Glen J. Smales & Sarah E. Norman & Nick J. Brownbill & Christopher W. Ashling & Philip A. Chater & Robert Tovey & Carola-Bibiane Schönlieb & Thomas F. Hea, 2018. "Liquid phase blending of metal-organic frameworks," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04553-6
    DOI: 10.1038/s41467-018-04553-6
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