In another recent study by the same group, it was demonstrated that the proton conduction of another PCMOF can be appreciably raised through an isomorphous ligand replacement strategy. The resulting mixed ligand material, denoted as PCMOF-2K (Fig. 6), exhibits proton conductivity of 2?161022 S cm22 (at 85uC and 90%RH), which represents the best proton conduction value amongst proton conducting MOFs and PCPs reported to date. These materials represent examples
in which the proton transport mechanism is associated with the protonic charge carriers (e.g. water, acids, and heterocycles) occupying the nanosized pores. Furthermore, by studying proton transport in a nanofilm MOF of 15 nm thickness, Kitagawa et al. revealed that,
further to the internal 1D channels, the surface of MOF nanocrystals may offer additional pathways to enhance proton conduction.
In another recent study by the same group, it was demonstrated that the proton conduction of another PCMOF can be appreciably raised through an isomorphous ligand replacement strategy. The resulting mixed ligand material, denoted as PCMOF-2K (Fig. 6), exhibits proton conductivity of 2?161022 S cm22 (at 85uC and 90%RH), which represents the best proton conduction value amongst proton conducting MOFs and PCPs reported to date. These materials represent examplesin which the proton transport mechanism is associated with the protonic charge carriers (e.g. water, acids, and heterocycles) occupying the nanosized pores. Furthermore, by studying proton transport in a nanofilm MOF of 15 nm thickness, Kitagawa et al. revealed that,further to the internal 1D channels, the surface of MOF nanocrystals may offer additional pathways to enhance proton conduction.
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