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 1500° C. and about 3000° C.
Original languageAmerican English
Patent number11,777,047 B2
Filing date3/10/23
StatePublished - 2023

NREL Publication Number

  • NREL/PT-5900-87709


  • alloy
  • bandgap
  • thermophotovoltaic system


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