Patent 10090425 was granted and assigned to California Institute of Technology on October, 2018 by the United States Patent and Trademark Office.
A photoelectrode, methods of making and using, including systems for water-splitting are provided. The photoelectrode can be a semiconducting material having a photocatalyst such as nickel or nickel-molybdenum coated on the material. The photoelectrode includes an elongated axially integrated wire having at least two different wire compositions.