Recent progress of spectrolab high-efficiency space solar cells

Daniel C. Law, J. C. Boisvert, E. M. Rehder, P. T. Chiu, S. Mesropian, R. L. Woo, X. Q. Liu, W. D. Hong, C. M. Fetzer, S. B. Singer, D. M. Bhusari, K. M. Edmondson, A. Zakaria, B. Jun, D. D. Krut, Richard King, S. K. Sharma, N. H. Karam

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Recent progress in III-V multijunction space solar cell has led to Spectrolab's GaInP/GaAs/Ge triple-junction, XTJ, cells with average 1-sun efficiency of 29% (AM0, 28?C) for cell size ranging from 59 to 72-cm2. High-efficiency inverted metamorphic (IMM) multijunction cells are developed as the next space solar cell architecture. Spectrolab's large-area IMM3J and IMM4J cells have achieved 33% and 34% 1-sun, AM0 efficiencies, respectively. The IMM3J and the IMM4J cells have both demonstrated normalized power retention of 0.86 at 5x1014 e-/cm2 fluence and 0.83 and 0.82 at 1x1015 e-/cm2 fluence post 1-MeV electron radiation, respectively. The IMM cells were further assembled into coverglass-interconnect-cell (CIC) strings and affixed to typical rigid aluminum honeycomb panels for thermal cycling characterization. Preliminary temperature cycling data of two coupons populated with IMM cell strings showed no performance degradation. Spectrolab has also developed semiconductor bonded technology (SBT) where highperformance component subcells were grown on GaAs and InP substrates separately then bonded directly to form the final multijunction cells. Large-area SBT 5-junction cells have achieved a 35.1% efficiency under 1-sun, AM0 condition.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8876
DOIs
StatePublished - 2013
Externally publishedYes
Event7th Nanophotonics and Macrophotonics for Space Environments Conference, NMSE 2013 - San Diego, CA, United States
Duration: Aug 25 2013Aug 27 2013

Other

Other7th Nanophotonics and Macrophotonics for Space Environments Conference, NMSE 2013
CountryUnited States
CitySan Diego, CA
Period8/25/138/27/13

Fingerprint

Solar Cells
High Efficiency
Solar cells
solar cells
Sun
Cell
cells
Semiconductor materials
Thermal cycling
Aluminum
sun
Cycling
Gallium Arsenide
Semiconductors
Strings
fluence
Radiation
Degradation
strings
Electrons

Keywords

  • III-V Multijunction
  • Inverted Metamorphic
  • Semiconductor Bonding Technology
  • Space Solar Cells

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Law, D. C., Boisvert, J. C., Rehder, E. M., Chiu, P. T., Mesropian, S., Woo, R. L., ... Karam, N. H. (2013). Recent progress of spectrolab high-efficiency space solar cells. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8876). [88760Y] https://doi.org/10.1117/12.2026756

Recent progress of spectrolab high-efficiency space solar cells. / Law, Daniel C.; Boisvert, J. C.; Rehder, E. M.; Chiu, P. T.; Mesropian, S.; Woo, R. L.; Liu, X. Q.; Hong, W. D.; Fetzer, C. M.; Singer, S. B.; Bhusari, D. M.; Edmondson, K. M.; Zakaria, A.; Jun, B.; Krut, D. D.; King, Richard; Sharma, S. K.; Karam, N. H.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8876 2013. 88760Y.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Law, DC, Boisvert, JC, Rehder, EM, Chiu, PT, Mesropian, S, Woo, RL, Liu, XQ, Hong, WD, Fetzer, CM, Singer, SB, Bhusari, DM, Edmondson, KM, Zakaria, A, Jun, B, Krut, DD, King, R, Sharma, SK & Karam, NH 2013, Recent progress of spectrolab high-efficiency space solar cells. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8876, 88760Y, 7th Nanophotonics and Macrophotonics for Space Environments Conference, NMSE 2013, San Diego, CA, United States, 8/25/13. https://doi.org/10.1117/12.2026756
Law DC, Boisvert JC, Rehder EM, Chiu PT, Mesropian S, Woo RL et al. Recent progress of spectrolab high-efficiency space solar cells. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8876. 2013. 88760Y https://doi.org/10.1117/12.2026756
Law, Daniel C. ; Boisvert, J. C. ; Rehder, E. M. ; Chiu, P. T. ; Mesropian, S. ; Woo, R. L. ; Liu, X. Q. ; Hong, W. D. ; Fetzer, C. M. ; Singer, S. B. ; Bhusari, D. M. ; Edmondson, K. M. ; Zakaria, A. ; Jun, B. ; Krut, D. D. ; King, Richard ; Sharma, S. K. ; Karam, N. H. / Recent progress of spectrolab high-efficiency space solar cells. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8876 2013.
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title = "Recent progress of spectrolab high-efficiency space solar cells",
abstract = "Recent progress in III-V multijunction space solar cell has led to Spectrolab's GaInP/GaAs/Ge triple-junction, XTJ, cells with average 1-sun efficiency of 29{\%} (AM0, 28?C) for cell size ranging from 59 to 72-cm2. High-efficiency inverted metamorphic (IMM) multijunction cells are developed as the next space solar cell architecture. Spectrolab's large-area IMM3J and IMM4J cells have achieved 33{\%} and 34{\%} 1-sun, AM0 efficiencies, respectively. The IMM3J and the IMM4J cells have both demonstrated normalized power retention of 0.86 at 5x1014 e-/cm2 fluence and 0.83 and 0.82 at 1x1015 e-/cm2 fluence post 1-MeV electron radiation, respectively. The IMM cells were further assembled into coverglass-interconnect-cell (CIC) strings and affixed to typical rigid aluminum honeycomb panels for thermal cycling characterization. Preliminary temperature cycling data of two coupons populated with IMM cell strings showed no performance degradation. Spectrolab has also developed semiconductor bonded technology (SBT) where highperformance component subcells were grown on GaAs and InP substrates separately then bonded directly to form the final multijunction cells. Large-area SBT 5-junction cells have achieved a 35.1{\%} efficiency under 1-sun, AM0 condition.",
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AU - Rehder, E. M.

AU - Chiu, P. T.

AU - Mesropian, S.

AU - Woo, R. L.

AU - Liu, X. Q.

AU - Hong, W. D.

AU - Fetzer, C. M.

AU - Singer, S. B.

AU - Bhusari, D. M.

AU - Edmondson, K. M.

AU - Zakaria, A.

AU - Jun, B.

AU - Krut, D. D.

AU - King, Richard

AU - Sharma, S. K.

AU - Karam, N. H.

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N2 - Recent progress in III-V multijunction space solar cell has led to Spectrolab's GaInP/GaAs/Ge triple-junction, XTJ, cells with average 1-sun efficiency of 29% (AM0, 28?C) for cell size ranging from 59 to 72-cm2. High-efficiency inverted metamorphic (IMM) multijunction cells are developed as the next space solar cell architecture. Spectrolab's large-area IMM3J and IMM4J cells have achieved 33% and 34% 1-sun, AM0 efficiencies, respectively. The IMM3J and the IMM4J cells have both demonstrated normalized power retention of 0.86 at 5x1014 e-/cm2 fluence and 0.83 and 0.82 at 1x1015 e-/cm2 fluence post 1-MeV electron radiation, respectively. The IMM cells were further assembled into coverglass-interconnect-cell (CIC) strings and affixed to typical rigid aluminum honeycomb panels for thermal cycling characterization. Preliminary temperature cycling data of two coupons populated with IMM cell strings showed no performance degradation. Spectrolab has also developed semiconductor bonded technology (SBT) where highperformance component subcells were grown on GaAs and InP substrates separately then bonded directly to form the final multijunction cells. Large-area SBT 5-junction cells have achieved a 35.1% efficiency under 1-sun, AM0 condition.

AB - Recent progress in III-V multijunction space solar cell has led to Spectrolab's GaInP/GaAs/Ge triple-junction, XTJ, cells with average 1-sun efficiency of 29% (AM0, 28?C) for cell size ranging from 59 to 72-cm2. High-efficiency inverted metamorphic (IMM) multijunction cells are developed as the next space solar cell architecture. Spectrolab's large-area IMM3J and IMM4J cells have achieved 33% and 34% 1-sun, AM0 efficiencies, respectively. The IMM3J and the IMM4J cells have both demonstrated normalized power retention of 0.86 at 5x1014 e-/cm2 fluence and 0.83 and 0.82 at 1x1015 e-/cm2 fluence post 1-MeV electron radiation, respectively. The IMM cells were further assembled into coverglass-interconnect-cell (CIC) strings and affixed to typical rigid aluminum honeycomb panels for thermal cycling characterization. Preliminary temperature cycling data of two coupons populated with IMM cell strings showed no performance degradation. Spectrolab has also developed semiconductor bonded technology (SBT) where highperformance component subcells were grown on GaAs and InP substrates separately then bonded directly to form the final multijunction cells. Large-area SBT 5-junction cells have achieved a 35.1% efficiency under 1-sun, AM0 condition.

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