Two-Junction Photovoltaic Devices

Myles Steiner (Inventor), Daniel Friedman (Inventor), Ryan France (Inventor), Asegun Henry (Inventor)

Research output: Patent


The present disclosure relates to a photovoltaic (PV) device that includes a first junction constructed with a first alloy and having a bandgap between about 1.0 eV and about 1.5 eV, and a second junction constructed with a second alloy and having a bandgap between about 0.9 eV and about 1.3 eV, where the first alloy includes III-V elements, the second alloy includes III-V elements, and the PV device is configured to operate in a thermophotovoltaic system having an operating temperature between about C. and about C.
Original languageAmerican English
Patent number11,367,802 B2
Filing date21/06/22
StatePublished - 2022

NREL Publication Number

  • NREL/PT-5900-83291


  • compositionally graded buffer layer
  • III-V elements
  • thermophotovoltaic system


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