Mcghee Investor Presentation

Harris Group Multijunctions: The Road to Higher Efficiencies LELAND STAN JUNGE ORSANMALD Higher-efficiency MJ cells require new materials that divide the solar spectrum equally to provide current match Ge provides lattice match but the bandgap is too small GalnP 1.8 eV GaAs 1.4 eV Ge GalnP 1.8 eV GaAs 1.4 eV GalnNAs -10 7 8 9 1 Energy (eV) ISC2009 Tokyo University, March 3, 2009 2 3 0.7 eV Conventional MJ Cell 1.0 eV New Solar Junction MJ Cell JSH 13

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