Phthalocyanines

Phthalocyanine ('''''') is a large, aromatic, macrocyclic, organic compound with the formula and is of theoretical or specialized interest in chemical dyes and photoelectricity.

chemical compound

chemical compound

chemical compound

chemical compound

Naphthalocyanine is a cross-shaped organic molecule consisting of 48 carbon, 8 nitrogen and 26 hydrogen atoms. It is a derivative of phthalocyanine, differing by having 4 extra carbon rings, one on each "arm." IBM Research labs used it for developing single-molecule logic switches and visualizing charge distribution in a single molecule.