Porphyrinic macrocycles are a class of red and purple pigments that consist of a substituted aromatic macrocyclic ring. Current investigations involve both the synthesis of symmetric and asymmetric porphyrins as well as their complexation to metals. While both have the ability to absorb visible light, the ability of asymmetric porphyrins with an incorporated tether to attach to TiO<sub>2</sub> nanoparticle films has made them attractive as potential dyes for dye-sensitized solar cells. The isolation and characterization of the symmetric and asymmetric porphyrins will be presented. The performance of the dye-sensitized solar cells with the asymmetric porphyrin products may also be discussed.

Synthesis of symmetric and asymmetric porphyrins

249th National Meeting (2015)

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