期刊
INORGANIC CHEMISTRY
卷 61, 期 19, 页码 7506-7512出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.2c00194
关键词
-
资金
- Czech Science Foundation [20-04408S]
Metal-organic frameworks (MOFs) have garnered attention as potential proton conductors due to their possibility of rational design and tuning of properties, as well as their clear conduction pathways provided by crystalline structure. The study presents two new MOF structures, ICR-10 and ICR-11, based on tetratopic phosphinate ligands, which demonstrate high proton conductivity.
Metal-organic frameworks (MOFs) are attracting attention as potential proton conductors. There are two mainadvantages of MOFs in this application: the possibility of rational design and tuning of the properties and clear conduction pathwaysgiven by their crystalline structure. We hereby present two new MOF structures, ICR-10 and ICR-11, based on tetratopicphosphinate ligands. The structures of both MOFs were determined by 3D electron diffraction. They both crystallize in theP3??spacegroup and contain arrays of parallel linear pores lined with hydrophilic noncoordinated phosphinate groups. This, together with theadsorbed water molecules, facilitates proton transfer via the Grotthuss mechanism, leading to a proton conductivity of up to 4.26x10-4Scm-1for ICR-11. The presented study demonstrates the high potential of phosphinate MOFs for the fabrication of protonconductors
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