Abstract
A monolithic, multi-bandgap, tandem solar photovoltaic converter has at least one, and preferably at least two, subcells grown lattice-matched on a substrate with a bandgap in medium to high energy portions of the solar spectrum and at least one subcell grown lattice-mismatched to the substrate with a bandgap in the low energy portion of the solar spectrum, for example, about 1 eV.
Original language | American English |
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Patent number | 8,067,687 |
State | Published - 2011 |
NREL Publication Number
- NREL/PT-5200-53632
Keywords
- converter
- monolithic
- multi-bandgap
- tandem solar photovoltaic