Proton Conduction in a Phosphonate-Based Metal–Organic Framework Mediated by Intrinsic “Free Diffusion inside a Sphere” | Zendy

Simona Pili | Zendy; Stephen P. Argent | Zendy; Christopher G. Morris | Zendy; Peter Rought | Zendy; Victoria García Sakai | Zendy; Ian P. Silverwood | Zendy; Timothy L. Easun | Zendy; Ming Li | Zendy; Mark R. Warren | Zendy; Claire A. Murray | Zendy; Chiu C. Tang | Zendy; Sihai Yang⧫ | Zendy; Martin Schröder | Zendy

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Proton Conduction in a Phosphonate-Based Metal–Organic Framework Mediated by Intrinsic “Free Diffusion inside a Sphere”

Author(s) -

Simona Pili,

Stephen P. Argent,

Christopher G. Morris,

Peter Rought,

Victoria García Sakai,

Ian P. Silverwood,

Timothy L. Easun,

Ming Li,

Mark R. Warren,

Claire A. Murray,

Chiu C. Tang,

Sihai Yang⧫,

Martin Schröder

Publication year - 2016

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/jacs.6b02194

Subject(s) - chemistry , proton , thermal conduction , diffusion , phosphonate , conductivity , chemical physics , neutron scattering , metal , coordination sphere , neutron , thermodynamics , nuclear physics , organic chemistry , physics

Understanding the molecular mechanism of proton conduction is crucial for the design of new materials with improved conductivity. Quasi-elastic neutron scattering (QENS) has been used to probe the mechanism of proton diffusion within a new phosphonate-based metal-organic framework (MOF) material, MFM-500(Ni). QENS suggests that the proton conductivity (4.5 × 10(-4) S/cm at 98% relative humidity and 25 °C) of MFM-500(Ni) is mediated by intrinsic "free diffusion inside a sphere", representing the first example of such a mechanism observed in MOFs.

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