John F. Geisz

Band Anticrossing in GaInNAs Alloys

W. Shan, W. Walukiewicz, Joel W. Ager et al. · Physical Review Letters · 1999 · 1.6K citations

Materials Science, Materials Engineering, Conduction Band +15

Six-junction III–V solar cells with 47.1% conversion efficiency under 143 Suns concentration

John F. Geisz, Ryan M. France, Kevin L. Schulte et al. · Nature Energy · 2020 · 658 citations · Full text

Solar Physics (Heliophysics), Electrical Engineering, Engineering +13

Raising the one-sun conversion efficiency of III–V/Si solar cells to 32.8% for two junctions and 35.9% for three junctions

Stephanie Essig, Christophe Allebé, Timothy Remo et al. · Nature Energy · 2017 · 547 citations · Full text

Iii–v/si Solar Cells, Solar Physics (Heliophysics), Electrical Engineering +13

40.8% efficient inverted triple-junction solar cell with two independently metamorphic junctions

John F. Geisz, Daniel J. Friedman, Jas S. Ward et al. · Applied Physics Letters · 2008 · 480 citations

Engineering, Organic Solar Cell, Photovoltaic Devices +21

1-eV solar cells with GaInNAs active layer

Daniel J. Friedman, John F. Geisz, Sarah Kurtz et al. · Journal of Crystal Growth · 1998 · 416 citations

Electrical Engineering, Engineering, Applied Physics +4