The predictable topologies of Metal Organic Frameworks (MOF) and Metal Organic Polyhedra (MOP), which self-assemble from organic linkers and inorganic metal ions, provide a well-ordered platform where inter-ligand interactions are determined by framework geometry. Here we present our strategy to control the spacing and orientation of organic chromophores by attaching electron donor functionalities to aromatic dicarboxylates to generate crystalline MOF and MOP materials with embedded push-pull chromophores. An air-stable metal-organic framework (Cbz-MOF  ) was obtained via solvothermal synthesis with Cu(NO3)2�2.5H2O and the newly synthesized 5-(9H-carbazol-9-yl)isophthalic acid linker containing the well-known carbazole donor moiety. Cbz MOF  assembles through aromatic stacks of carbazoles along a single crystal axis as neighboring 2D square grid layers interdigitate in a zipper-like fashion (Figure 1). The stability and photophysical and electronic properties of Cbz MOF  will be discussed. Progress towards incorporating emissive near-IR dyes within MOFs will also be presented.

Exploiting metal-organic frameworks to direct the solid-state assemblies of organic dyes

246th National Meeting (2013)

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