Passivating Window and Capping Layer for Photoelectrochemical Cells

Todd Deutsch (Inventor), Myles Steiner (Inventor), Daniel Friedman (Inventor), James Young (Inventor), Ryan France (Inventor), John Turner (Inventor), Henning Doscher (Inventor)

Research output: Patent


An aspect of the present disclosure is a photoelectrochemical device that includes a first cell that includes a first semiconductor alloy, a capping layer that includes a second semiconductor alloy, and a passivating layer that includes a third semiconductor alloy, where the passivating layer is positioned between the first cell and the capping layer, and at least a portion of the capping layer is configured to be in direct contact with an electrolyte.
Original languageAmerican English
Patent number10,927,466 B2
Filing date23/02/21
StatePublished - 2021

NREL Publication Number

  • NREL/PT-5900-79283

Other Report Number

  • U.S. Patent No. 10,927,466 B2


  • capping layer
  • passivating layer
  • photoelectrochemical device
  • semiconductor alloy
  • solar-to-hydrogen


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