Analysis of the mass and charge transfer limits of copper phthalocyanine photoelectrochemistry

Abstract

Copper phthalocyanine, sublimed on a platinum rotating-disc electrode, is examined as a semiconducting photoelectrode. The carrier photogeneration and mass-transfer limits to the photocurrent, flat-band potential and cell power are determined in Fe(CN₆) with KCl supporting electrolyte. The open circuit photovoltage dependence on hydrogen ion and disolved oxygen concentration are also examined.