Coordination polymers have been a topic of interest because of the large variety of applications these materials have. in particular Metal-Organic Frameworks (MOFs) have been researched due to their porosity and simple synthetic pathways. Structurally a MOF is composed of one or more organic ligands serving as the backbone of the structure. These ligands are complexed with metal ions coordinating into the desired structure. It is this structure that gives way to a variable porosity useful for proton conductivity and material transport. By varying backbone size a framework can be customized for use in specific conditions. This is due not only to differences in distance between molecules but also to the interpenetration of frameworks with each other. A bulkier backbone has been seen to decrease the catenation of frameworks and in turn increase the volume observed. On the other hand, a less sterically hindered molecule results in more catenation increasing the surface area of the molecule. For these reasons, we sought to synthesize a variety of ligands with different size backbones (Naphthalene, pyromellitic, biphenyl, and perylene diimide) for the future synthesis of MOFs for electrochemical tests. Here we present the spectroscopic data for Dipyridyl Naphthalene diimide, Dipyridyl Pyromellitic diimide, Dipyridyl Biphenyl diimide, and Dipyridyl Perylene diimide.
Pinedo, Juan, "Synthesis and Characterization of Pyridine-Based Diimide Ligands and Metal Phosphonate Coordination Polymers" (2021). St. Mary's University Honors Theses and Projects. 5.
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