High-flux characterization of ultrasmall multijunction concentrator solar cells

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

doi:10.1063/1.2766666

High-flux characterization of ultrasmall multijunction concentrator solar cells

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

^*Corresponding author for this work

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

Abstract

A characterization study of ultrasmall ultraefficient multijunction concentrator solar cells is presented, with emphasis on performance sensitivity to light intensity and distribution. Information of this type is essential in the design and optimization of the latest generations of high-flux photovoltaic systems. Cell miniaturization allows increasing the concentration at which efficiency peaks, facilitates passive heat rejection, and permits the use of all-glass optics. However, few device measurements have been published on ultrasmall cells. Extensive measurements, up to ∼5000 suns, on the 1.0 mm2 active region within the busbars are reported and analyzed.

Original language	English
Article number	064101
Journal	Applied Physics Letters
Volume	91
Issue number	6
DOIs	https://doi.org/10.1063/1.2766666
State	Published - 2007
Externally published	Yes

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10.1063/1.2766666

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title = "High-flux characterization of ultrasmall multijunction concentrator solar cells",

abstract = "A characterization study of ultrasmall ultraefficient multijunction concentrator solar cells is presented, with emphasis on performance sensitivity to light intensity and distribution. Information of this type is essential in the design and optimization of the latest generations of high-flux photovoltaic systems. Cell miniaturization allows increasing the concentration at which efficiency peaks, facilitates passive heat rejection, and permits the use of all-glass optics. However, few device measurements have been published on ultrasmall cells. Extensive measurements, up to ∼5000 suns, on the 1.0 mm2 active region within the busbars are reported and analyzed.",

author = "Omer Korech and Baruch Hirsch and Katz, {Eugene A.} and Gordon, {Jeffrey M.}",

note = "Funding Information: The authors thank Vladimir Melnichak for technical assistance, Gary Conley and Steve Horne of SolFocus, Inc. for providing the solar cells, and Andreas Bett and Gerald Siefer of the Fraunhofer Institute for Solar Energy Systems for cell testing with a flash solar simulator. One of the authors (E.A.K.) thanks the Israel Ministry of Absorption and the Deichmann Foundation for financial support.",

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doi = "10.1063/1.2766666",

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AU - Hirsch, Baruch

AU - Katz, Eugene A.

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Y1 - 2007

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High-flux characterization of ultrasmall multijunction concentrator solar cells

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