Tunnel junctions for multijunction solar cells
Patent
·
OSTI ID:1986929
Tunnel junctions for multijunction solar cells are provided. According to an aspect of the invention, a tunnel junction includes a first layer including p-type AlGaAs, a second layer including n-type GaAs, wherein the second layer is a quantum well, and a third layer including n-type AlGaAs or n-type lattice matched AlGaInP. The quantum well can be GaAs or AlxGaAs with x being more than about 40%, and lattice matched GaInAsNSb in the Eg range of from about 0.8 to about 1.4 eV.
- Research Organization:
- National Renewable Energy Laboratory (NREL), Golden, CO (United States); Univ. of California, Oakland, CA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC36-08GO28308
- Assignee:
- Alliance for Sustainable Energy, LLC (Golden, CO); The Regents of the University of California, A California Corporation (Oakland, CA)
- Patent Number(s):
- 11,527,667
- Application Number:
- 15/964,852
- OSTI ID:
- 1986929
- Resource Relation:
- Patent File Date: 04/27/2018
- Country of Publication:
- United States
- Language:
- English
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