Metal-organic frameworks, or MOFs, are microporous crystalline materials constructed from combinations of inorganic and organic building blocks. The functionalization of MOFs via the highly tunable organic linkers may be used to improve performance in applications such as gas storage and separation, molecular sensing, and heterogeneous catalysis. We are exploring new approaches to introduce organophosphine functional groups into MOFs for these applications by incorporating organophosphine linkers as defect sites within a crystalline parent MOF. Using mixed-linker solvothermal synthesis, we have incorporated pyramidal [EP(p-C6H4COO)3]3- (E = S, O) linkers into a parent framework, Cu2[Si(p-C6H4COO)4], based on tetratopic silane linkers. Analysis of the crystalline products obtained from these reactions shows that the concentration of organophosphine defect linkers may be controlled by varying the reaction stoichiometry.

Synthesis of metal-organic frameworks containing organophosphine linkers

250th National Meeting (2015)

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