NREL Spurred the Success of Multijunction Solar Cells (Fact Sheet)

    Research output: NRELFact Sheet


    Many scientists once believed that high-quality gallium indium phosphide (GaInP) alloys could not be grown for use as semiconductors because the alloys would separate. However, researchers at the National Renewable Energy Laboratory (NREL) thought differently, and they employed GaInP in a material combination that allowed the multijunction cell to flourish. The multijunction cell is now theworkhorse that powers satellites and the catalyst for renewed interest in concentrator photovoltaic products.
    Original languageAmerican English
    StatePublished - 2013

    NREL Publication Number

    • NREL/FS-6A42-59142


    • bandgap
    • Boeing Spectrolab
    • concentrating photovoltaics (CPV)
    • CPV
    • dual-junction solar cell
    • gallium arsenide
    • gallium arsenide (GaAs)
    • gallium indium phosphide (GaInP)
    • gallium indium phosphide (GaInP)
    • lattice constant
    • Mars rovers
    • multijunction solar cells
    • null
    • null
    • opportunity
    • R&D 100
    • satellite
    • SJ3
    • solar junction
    • spirit
    • triple-junction solar cells


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