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Current and lattice matched tandem solar cell

Patent ·
OSTI ID:866258
 [1]
  1. Lakewood, CO
+ Show Author Affiliations
A multijunction (cascade) tandem photovoltaic solar cell device is fabricated of a Ga.sub.x In.sub.1-x P (0.505.ltoreq.X.ltoreq.0.515) top cell semiconductor lattice matched to a GaAs bottom cell semiconductor at a low-resistance heterojunction, preferably a p+/n+ heterojunction between the cells. The top and bottom cells are both lattice matched and current matched for high efficiency solar radiation conversion to electrical energy.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4667059
OSTI ID:
866258
Country of Publication:
United States
Language:
English

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