Ultra triple-junction high-efficiency solar cells

Geoffrey S. Kinsey, Richard R. King, Kenneth M. Edmondson, Alexander P. Stavrides, Hojun Yoon, Christopher M. Fetzer, Peter C. Colter, James H. Ermer, Mark S. Gillanders, Peter Hebert, Jennifer E. Granata, Nasser H. Karam

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Solar cells suitable for the space environment must combine high-efficiency, high energy density, and radiation hardness in a manufacturable design. As improvement in one performance parameter usually results in degradation in one or more of the remaining parameters, careful optimization is required to enhance overall performance. The Ultra Triple-Junction cell developed builds upon the established success of the fully qualified Improved Triple-Junction cell currently in production. In the Ultra Triple-Junction cell configuration, improved robustness and efficiency after radiation exposure augment a cell design expected to deliver 28% beginning-of-life efficiency in production.

Original languageEnglish (US)
Pages (from-to)8-10
Number of pages3
JournalIEEE Aerospace and Electronic Systems Magazine
Issue number3
StatePublished - Mar 2003
Externally publishedYes

ASJC Scopus subject areas

  • Aerospace Engineering
  • Space and Planetary Science
  • Electrical and Electronic Engineering


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