High-Performance Concentrator Tandem Solar Cells Based on IR-Sensitive Bottom Cells

M. W. Wanlass; J. S. Ward; K. A. Emery; T. A. Gessert; C. R. Osterwald; T. J. Coutts

doi:10.1016/0379-6787(91)90069-2

High-Performance Concentrator Tandem Solar Cells Based on IR-Sensitive Bottom Cells

M. W. Wanlass, J. S. Ward, K. A. Emery, T. A. Gessert, C. R. Osterwald, T. J. Coutts

Chemistry and Nanoscience

National Renewable Energy Laboratory

Research output: Contribution to journal › Article › peer-review

32 Scopus Citations

Abstract

Computer simulations of two-junction, concentrator tandem solar cell performance show that IR-sensitive bottom cells are required to achieve high efficiencies. Based on this conclusion, two novel concentrator tandem designs are under investigation: (1) a mechanically stacked, four-terminal GaAs/GaInAsP (0.95 eV) tandem, and (2) a monolithic, lattice-matched, three-terminal InP/GaInAs tandem. In preliminary experiments, terrestrial concentrator efficiencies exceeding 30% have been achieved with each of the above tandem designs. Methods for improving the efficiency of each tandem type are discussed.

Original language	American English
Pages (from-to)	363-371
Number of pages	9
Journal	Solar Cells
Volume	30
Issue number	1-4
DOIs	https://doi.org/10.1016/0379-6787(91)90069-2 https://doi.org/10.1016/0379-6787(91)90069-2
State	Published - 1991

NREL Publication Number

ACNR/JA-213-12428

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title = "High-Performance Concentrator Tandem Solar Cells Based on IR-Sensitive Bottom Cells",

abstract = "Computer simulations of two-junction, concentrator tandem solar cell performance show that IR-sensitive bottom cells are required to achieve high efficiencies. Based on this conclusion, two novel concentrator tandem designs are under investigation: (1) a mechanically stacked, four-terminal GaAs/GaInAsP (0.95 eV) tandem, and (2) a monolithic, lattice-matched, three-terminal InP/GaInAs tandem. In preliminary experiments, terrestrial concentrator efficiencies exceeding 30% have been achieved with each of the above tandem designs. Methods for improving the efficiency of each tandem type are discussed.",

author = "Wanlass, {M. W.} and Ward, {J. S.} and Emery, {K. A.} and Gessert, {T. A.} and Osterwald, {C. R.} and Coutts, {T. J.}",

year = "1991",

doi = "10.1016/0379-6787(91)90069-2",

language = "American English",

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pages = "363--371",

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T1 - High-Performance Concentrator Tandem Solar Cells Based on IR-Sensitive Bottom Cells

AU - Wanlass, M. W.

AU - Ward, J. S.

AU - Emery, K. A.

AU - Gessert, T. A.

AU - Osterwald, C. R.

AU - Coutts, T. J.

PY - 1991

Y1 - 1991

N2 - Computer simulations of two-junction, concentrator tandem solar cell performance show that IR-sensitive bottom cells are required to achieve high efficiencies. Based on this conclusion, two novel concentrator tandem designs are under investigation: (1) a mechanically stacked, four-terminal GaAs/GaInAsP (0.95 eV) tandem, and (2) a monolithic, lattice-matched, three-terminal InP/GaInAs tandem. In preliminary experiments, terrestrial concentrator efficiencies exceeding 30% have been achieved with each of the above tandem designs. Methods for improving the efficiency of each tandem type are discussed.

AB - Computer simulations of two-junction, concentrator tandem solar cell performance show that IR-sensitive bottom cells are required to achieve high efficiencies. Based on this conclusion, two novel concentrator tandem designs are under investigation: (1) a mechanically stacked, four-terminal GaAs/GaInAsP (0.95 eV) tandem, and (2) a monolithic, lattice-matched, three-terminal InP/GaInAs tandem. In preliminary experiments, terrestrial concentrator efficiencies exceeding 30% have been achieved with each of the above tandem designs. Methods for improving the efficiency of each tandem type are discussed.

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U2 - 10.1016/0379-6787(91)90069-2

DO - 10.1016/0379-6787(91)90069-2

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VL - 30

SP - 363

EP - 371

JO - Solar Cells

JF - Solar Cells

IS - 1-4

ER -

High-Performance Concentrator Tandem Solar Cells Based on IR-Sensitive Bottom Cells

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