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Surface modification enhances the bulk proton conductivity of Prussian blue
Akira Takahashi1, Yasuhito Matsubayashi2, Atsushi Sakurai1
1Nanomaterials Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba 305-8565, Japan. akira-takahashi@aist.go.jp.
Chemical Communications (Cambridge, England)
|April 3, 2023
Abstract:
Surface-modified Prussian blue shows 102 times higher bulk proton conductivity (0.018 S cm-1) than that of unmodified Prussian blue. This enhancement is attributed to the monolayer adsorption of Na4[Fe(CN)6] on the nanoparticle surface, which reduces the surface resistance. Surface modification is an effective strategy for improving bulk proton conductivity.
