Future technology pathways of terrestrial III-V multijunction solar cells for concentrator photovoltaic systems

Daniel C. Law, Richard King, H. Yoon, M. J. Archer, A. Boca, C. M. Fetzer, S. Mesropian, T. Isshiki, M. Haddad, K. M. Edmondson, D. Bhusari, J. Yen, R. A. Sherif, H. A. Atwater, N. H. Karam

Research output: Contribution to journalArticle

134 Citations (Scopus)

Abstract

Future terrestrial concentrator cells will likely feature four or more junctions. The better division of the solar spectrum and the lower current densities in these new multijunction cells reduce the resistive power loss (I2R) and provide a significant advantage in achieving higher efficiencies of 45-50%. The component subcells of these concentrator cells will likely utilize new technology pathways such as highly metamorphic materials, inverted crystal growth, direct-wafer bonding, and their combinations to achieve the desired bandgaps while maintaining excellent device material quality for optimal solar energy conversion. Here, we report preliminary results of two technical approaches: (1) metamorphic ∼1 eV GaInAs subcells in conjunction with an inverted growth approach and (2) multijunction cells on wafer-bonded, layer-transferred epitaxial templates.

Original languageEnglish (US)
Pages (from-to)1314-1318
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume94
Issue number8
DOIs
StatePublished - Aug 2010
Externally publishedYes

Fingerprint

Wafer bonding
Epitaxial layers
Crystallization
Energy conversion
Crystal growth
Solar energy
Energy gap
Current density
Multi-junction solar cells

Keywords

  • III-V materials
  • Metamorphic
  • Multijunction solar cells
  • Terrestrial concentrator photovoltaic systems
  • Wafer bonding

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films

Cite this

Future technology pathways of terrestrial III-V multijunction solar cells for concentrator photovoltaic systems. / Law, Daniel C.; King, Richard; Yoon, H.; Archer, M. J.; Boca, A.; Fetzer, C. M.; Mesropian, S.; Isshiki, T.; Haddad, M.; Edmondson, K. M.; Bhusari, D.; Yen, J.; Sherif, R. A.; Atwater, H. A.; Karam, N. H.

In: Solar Energy Materials and Solar Cells, Vol. 94, No. 8, 08.2010, p. 1314-1318.

Research output: Contribution to journalArticle

Law, DC, King, R, Yoon, H, Archer, MJ, Boca, A, Fetzer, CM, Mesropian, S, Isshiki, T, Haddad, M, Edmondson, KM, Bhusari, D, Yen, J, Sherif, RA, Atwater, HA & Karam, NH 2010, 'Future technology pathways of terrestrial III-V multijunction solar cells for concentrator photovoltaic systems', Solar Energy Materials and Solar Cells, vol. 94, no. 8, pp. 1314-1318. https://doi.org/10.1016/j.solmat.2008.07.014
Law, Daniel C. ; King, Richard ; Yoon, H. ; Archer, M. J. ; Boca, A. ; Fetzer, C. M. ; Mesropian, S. ; Isshiki, T. ; Haddad, M. ; Edmondson, K. M. ; Bhusari, D. ; Yen, J. ; Sherif, R. A. ; Atwater, H. A. ; Karam, N. H. / Future technology pathways of terrestrial III-V multijunction solar cells for concentrator photovoltaic systems. In: Solar Energy Materials and Solar Cells. 2010 ; Vol. 94, No. 8. pp. 1314-1318.
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