Metal-organic framework glasses with permanent accessible porosity

Chao Zhou, Louis Longley, Andraž Krajnc, Glen J. Smales, Ang Qiao, Ilknur Erucar, Cara M. Doherty, Aaron W. Thornton, Anita J. Hill, Christopher W. Ashling, Omid T. Qazvini, Seok J. Lee, Philip A. Chater, Nicholas J. Terrill, Andrew J. Smith, Yuanzheng Yue, Gregor Mali, David A. Keen, Shane G. Telfer () and Thomas D. Bennett ()
Additional contact information
Chao Zhou: University of Cambridge
Louis Longley: University of Cambridge
Andraž Krajnc: National Institute of Chemistry
Glen J. Smales: University College London
Ang Qiao: Wuhan University of Technology
Ilknur Erucar: Ozyegin University
Cara M. Doherty: Commonwealth Scientific and Industrial Research Organisation
Aaron W. Thornton: Commonwealth Scientific and Industrial Research Organisation
Anita J. Hill: Commonwealth Scientific and Industrial Research Organisation
Christopher W. Ashling: University of Cambridge
Omid T. Qazvini: Massey University
Seok J. Lee: Massey University
Philip A. Chater: Harwell Science and Innovation Campus
Nicholas J. Terrill: Harwell Science and Innovation Campus
Andrew J. Smith: Harwell Science and Innovation Campus
Yuanzheng Yue: Aalborg University
Gregor Mali: National Institute of Chemistry
David A. Keen: Rutherford Appleton Laboratory Harwell Campus
Shane G. Telfer: Massey University
Thomas D. Bennett: University of Cambridge

Nature Communications, 2018, vol. 9, issue 1, 1-9

Abstract: Abstract To date, only several microporous, and even fewer nanoporous, glasses have been produced, always via post synthesis acid treatment of phase separated dense materials, e.g. Vycor glass. In contrast, high internal surface areas are readily achieved in crystalline materials, such as metal-organic frameworks (MOFs). It has recently been discovered that a new family of melt quenched glasses can be produced from MOFs, though they have thus far lacked the accessible and intrinsic porosity of their crystalline precursors. Here, we report the first glasses that are permanently and reversibly porous toward incoming gases, without post-synthetic treatment. We characterize the structure of these glasses using a range of experimental techniques, and demonstrate pores in the range of 4 – 8 Å. The discovery of MOF glasses with permanent accessible porosity reveals a new category of porous glass materials that are elevated beyond conventional inorganic and organic porous glasses by their diversity and tunability.

Date: 2018
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DOI: 10.1038/s41467-018-07532-z

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