The second option, which consists Porphyrin The electron donor and an electron acceptor π-Spacer is a porphyrin dye will affect the absorption of light is. The absorbance of Pzn-BIA-COOH, which is π-Spacer upcoming peak brode and red-shifited compared with Pzn-COOH The study showed the importance of π-Spacer in porphyrin dye siynthedizd to modification. porphyrin dye to get better and have a good performance.