Recent advances in high-efficiency III-V multi-junction solar cells for space applications: Ultra triple junction qualification

Hojun Yoon; Jennifer E. Granata; Peter Hebert; Richard R. King; Christopher M. Fetzer; Peter C. Colter; Kenneth M. Edmondson; Daniel Law; Geoffrey S. Kinsey; Dmitri D. Krut; James H. Ermer; Mark S. Gillanders; Nasser H. Karam

doi:10.1002/pip.610

Recent advances in high-efficiency III-V multi-junction solar cells for space applications: Ultra triple junction qualification

Hojun Yoon, Jennifer E. Granata, Peter Hebert, Richard R. King, Christopher M. Fetzer, Peter C. Colter, Kenneth M. Edmondson, Daniel Law, Geoffrey S. Kinsey, Dmitri D. Krut, James H. Ermer, Mark S. Gillanders, Nasser H. Karam

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

35 Scopus citations

Abstract

Recent advances in Spectrolab's high efficiency III-V multi-junction space solar cells are reported. The latest generation GaInP/GaAs/Ge solar cells under production - the Ultra Triple Junction (UTJ) - have an average efficiency at maximum power of 28-0% (AM0, 28°C, 1353mW/cm²) at beginning of life (BOL), and 226% at 60° C at end of life (EOL, 15 years in GEO orbit). This represents a 55% relative higher efficiency at EOL, compared with the previous generation Improved Triple Junction (ITJ) cells. The P/P₀ - for 1 MeV electrons after 10¹⁵ cm^-2 fluence has also improved to 0·86, compared with 0·84 for the ITJ cells. These and other performance results of UTJ solar cells are reviewed in comparison with ITJ solar cells.

Original language	English (US)
Pages (from-to)	133-139
Number of pages	7
Journal	Progress in Photovoltaics: Research and Applications
Volume	13
Issue number	2
DOIs	https://doi.org/10.1002/pip.610
State	Published - Mar 2005
Externally published	Yes

Keywords

MOVPE
Multijunction
Radiation
Space solar cells
Temperature coefficients

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Renewable Energy, Sustainability and the Environment
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1002/pip.610

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Yoon, H., Granata, J. E., Hebert, P., King, R. R., Fetzer, C. M., Colter, P. C., Edmondson, K. M., Law, D., Kinsey, G. S., Krut, D. D., Ermer, J. H., Gillanders, M. S., & Karam, N. H. (2005). Recent advances in high-efficiency III-V multi-junction solar cells for space applications: Ultra triple junction qualification. Progress in Photovoltaics: Research and Applications, 13(2), 133-139. https://doi.org/10.1002/pip.610

Yoon, H, Granata, JE, Hebert, P, King, RR, Fetzer, CM, Colter, PC, Edmondson, KM, Law, D, Kinsey, GS, Krut, DD, Ermer, JH, Gillanders, MS & Karam, NH 2005, 'Recent advances in high-efficiency III-V multi-junction solar cells for space applications: Ultra triple junction qualification', Progress in Photovoltaics: Research and Applications, vol. 13, no. 2, pp. 133-139. https://doi.org/10.1002/pip.610

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title = "Recent advances in high-efficiency III-V multi-junction solar cells for space applications: Ultra triple junction qualification",

abstract = "Recent advances in Spectrolab's high efficiency III-V multi-junction space solar cells are reported. The latest generation GaInP/GaAs/Ge solar cells under production - the Ultra Triple Junction (UTJ) - have an average efficiency at maximum power of 28-0% (AM0, 28°C, 1353mW/cm2) at beginning of life (BOL), and 226% at 60° C at end of life (EOL, 15 years in GEO orbit). This represents a 55% relative higher efficiency at EOL, compared with the previous generation Improved Triple Junction (ITJ) cells. The P/P0 - for 1 MeV electrons after 1015 cm-2 fluence has also improved to 0·86, compared with 0·84 for the ITJ cells. These and other performance results of UTJ solar cells are reviewed in comparison with ITJ solar cells.",

keywords = "MOVPE, Multijunction, Radiation, Space solar cells, Temperature coefficients",

author = "Hojun Yoon and Granata, {Jennifer E.} and Peter Hebert and King, {Richard R.} and Fetzer, {Christopher M.} and Colter, {Peter C.} and Edmondson, {Kenneth M.} and Daniel Law and Kinsey, {Geoffrey S.} and Krut, {Dmitri D.} and Ermer, {James H.} and Gillanders, {Mark S.} and Karam, {Nasser H.}",

year = "2005",

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doi = "10.1002/pip.610",

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AU - King, Richard R.

AU - Fetzer, Christopher M.

AU - Colter, Peter C.

AU - Edmondson, Kenneth M.

AU - Law, Daniel

AU - Kinsey, Geoffrey S.

AU - Krut, Dmitri D.

AU - Ermer, James H.

AU - Gillanders, Mark S.

AU - Karam, Nasser H.

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AB - Recent advances in Spectrolab's high efficiency III-V multi-junction space solar cells are reported. The latest generation GaInP/GaAs/Ge solar cells under production - the Ultra Triple Junction (UTJ) - have an average efficiency at maximum power of 28-0% (AM0, 28°C, 1353mW/cm2) at beginning of life (BOL), and 226% at 60° C at end of life (EOL, 15 years in GEO orbit). This represents a 55% relative higher efficiency at EOL, compared with the previous generation Improved Triple Junction (ITJ) cells. The P/P0 - for 1 MeV electrons after 1015 cm-2 fluence has also improved to 0·86, compared with 0·84 for the ITJ cells. These and other performance results of UTJ solar cells are reviewed in comparison with ITJ solar cells.

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KW - Radiation

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KW - Temperature coefficients

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Recent advances in high-efficiency III-V multi-junction solar cells for space applications: Ultra triple junction qualification

Abstract

Keywords

ASJC Scopus subject areas

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