High efficiency GaInP/GaAs tandem solar cells

Conference · Thu Jun 30 04:00:00 EDT 1994 · AIP Conference Proceedings (American Institute of Physics); (United States)

OSTI ID:7261696

Bertness, K A; Friedman, D J; Kibbler, A E; Kramer, C; Kurtz, S R; Olson, J M ^[1]

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1. National Renewable Energy Laboratory, Golden, Colorado 80401 (United States)

We report on multijunction GaInP/GaAs photovoltaic cells with total-area efficiencies of 29.5% at one-sun concentration and air mass (AM) 1.5 global and 25.7% one-sun, AM0. These values represent the highest efficiencies achieved by any solar cell under these illumination conditions. Three key areas in this technology are identified and discussed: the grid design, front surface passivation of the top cell, and bottom surface passivation of both cells. Aspects of cell design related to its operation under different solar spectra and under concentration are also discussed.

• DOE Contract Number: AC36-83CH10093
• OSTI ID: 7261696
• Report Number(s): CONF-9310273--
• Conference Information: Journal Name: AIP Conference Proceedings (American Institute of Physics); (United States) Journal Volume: 306:1
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
DESIGN
DIRECT ENERGY CONVERTERS
EFFICIENCY
EQUIPMENT
GALLIUM ARSENIDE SOLAR CELLS
GALLIUM PHOSPHIDE SOLAR CELLS
INDIUM PHOSPHIDE SOLAR CELLS
JUNCTIONS
LAYERS
PASSIVATION
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
QUANTUM EFFICIENCY
SEMICONDUCTOR JUNCTIONS
SOLAR CELLS
SOLAR EQUIPMENT