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The role of lattice vibration in the terahertz region for proton conduction in 2D metal–organic frameworks† † Electronic supplementary information (ESI) available. See DOI: 10.1039/c9sc05757a


ABSTRACT: We studied the relationship between proton conductivity and the terahertz-regime vibrations of two-dimensional MOFs. The results of spectroscopy studies clarified the essential role played by the collective motions in the terahertz region in 2D layers for efficient H+ conduction. Ab initio calculations suggested the collective motion to be predominantly determined by the valence electronic structure, depending on the identity of the metal ion. Terahertz-regime vibrations of 2D MOFs dominate the intrinsic proton conductivity, and the motions depend on the valence electronic structures.

PROVIDER: S-EPMC8148082 | BioStudies |

REPOSITORIES: biostudies

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