Development of a self-supporting, transparent AlGaAs top solar cell for mechanical attachment to an existing solar cell

Negley, Gerald H.; Terranova, Nancy E.; McNeely, J. B.; Barnett, Allen

doi:10.1109/pvsc.1988.105810

Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference 1988

DOI: 10.1109/pvsc.1988.105810

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Development of a self-supporting, transparent AlGaAs top solar cell for mechanical attachment to an existing solar cell

Gerald H. Negley¹,

Nancy E. Terranova²,

J. B. McNeely³

et al.

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1994

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LPE-GaAs and LBSF-Si solar cells for tandem concentrator application

Blieske

Sterk

Bett

et al. 1994

Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and

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Design and efficiency measurements of a mechanically stacked concentrator tandem solar cell are presented. The GaAs cell was grown by the LPE etch-back-regrowth method and has a diameter of 4 mm. The silicon solar cell is a high efficient LBSF concentrator solar cell of 5 mm diameter. Special care was taken to optimize the antireflection coatings on the back and front side of the GaAs solar cell. Both cells were processed at FhG-ISE in Freiburg. Their short circuit currents were measured at the ISE calibration laboratory under AM1.5d conditions. The efficiency measurements were performed at UPM-IES in Madrid under outdoor conditions. At 27 suns (AM1.5d, 25°C) the GaAs cell showed an efficiency of 22.9% and the silicon cell an efficiency of 2.9%. The two single cell efficiencies add to a tandem efficiency of 25.8% for the four terminal operation

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LPE-GaAs and LBSF-Si solar cells for tandem concentrator application

Blieske

Sterk

Bett

et al. 1994

Proceedings of 1994 IEEE 1st World Conference on Photovoltaic Energy Conversion - WCPEC (A Joint Conference of PVSC, PVSEC and

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show abstract

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Development of a self-supporting, transparent AlGaAs top solar cell for mechanical attachment to an existing solar cell

Cited by 1 publication

References 3 publications

LPE-GaAs and LBSF-Si solar cells for tandem concentrator application

LPE-GaAs and LBSF-Si solar cells for tandem concentrator application

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