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Title: High-efficiency, monolithic, multi-bandgap, tandem, photovoltaic energy converters

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.
Issue Date:
OSTI Identifier:
Alliance for Sustainable Energy, LLC (Golden, CO) NREL
Patent Number(s):
Application Number:
Contract Number:
Resource Relation:
Patent File Date: 2011 Sep 23
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
Country of Publication:
United States

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