High-flux characterization of ultra-efficient commercial 1 mm2 multi-junction solar cells

Omer Korech, Baruch Hirsch, Eugene A. Katz, Jeffrey M. Gordon

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We present an experimental characterization study of high-efficiency ultra-small multi-junction concentrator solar cells. Particular emphasis is placed on the sensitivity of photovoltaic performance to the intensity and distribution of the concentrated sunlight delivered to the cell. This type of information is important in the design and optimization of the most recent generations of high-concentration photovoltaic systems. Miniaturizing the solar cell can give rise to an increase in the concentration value at which cell efficiency peaks, facilitates passive heat rejection and permits the use of all-glass optics. However, few measurements have been published for ultra-small cells. We report and analyze extensive measurements, up to approximately 5000 suns, on the 1.0 mm2 active region within the busbars of such commercial concentrator solar cells.

Original languageEnglish
Title of host publicationHigh and Low Concentration for Solar Electric Applications II
DOIs
StatePublished - 2007
Externally publishedYes
EventHigh and Low Concentration for Solar Electric Applications II - San Diego, CA, United States
Duration: 26 Aug 200728 Aug 2007

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume6649
ISSN (Print)0277-786X

Conference

ConferenceHigh and Low Concentration for Solar Electric Applications II
Country/TerritoryUnited States
CitySan Diego, CA
Period26/08/0728/08/07

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