Orientation-controlled Pc (TiOPc, VOPc and VOPcFx) films were prepared by vapor deposition on a KBr (001) surface. Pc molecules were oriented parallel to the substrate surface. The photoelectrochemical properties of a randomly-oriented and an oriented films were investigated in cells of the configuration ITO / Pc / I3−, I−/Pt. Remarkable enhancement is obtained especially of ISC(short circuit current) and η′ (apparent energy conversion efficiency) by epitaxial orientation.