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In situ irradiation and measurement of triple junction solar cells at Low Intensity, Low Temperature (LILT) conditions

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dc.contributor.author Harris, R.D.
dc.contributor.author Imaizumi, M.
dc.contributor.author Walters, R.J.
dc.contributor.author Lorentzen, J.R.
dc.contributor.author Messenger, S.R.
dc.contributor.author Tischler, J.G.
dc.contributor.author Ohshima, T.
dc.contributor.author Sato, S.
dc.contributor.author Sharps, P.R.
dc.contributor.author Fatemi, N.S.
dc.date.accessioned 2014-12-13T00:10:14Z
dc.date.available 2014-12-13T00:10:14Z
dc.date.issued 2008-07-14
dc.identifier.citation 2008 IEEE Nuclear and Space Radiation Effects Conference, Tucson, Arizona, July 14-18, 2008 en_US
dc.identifier.clearanceno 08-3573
dc.identifier.uri http://hdl.handle.net/2014/44863
dc.description.abstract The performance of triple junction InGaP/(In)GaAs/Ge space solar cells was studied following high energy electron irradiation at low temperature. Cell characterization was carried out in situ at the irradiation temperature while using low intensity illumination, and, as such, these conditions reflect those found for deep space, solar powered missions that are far from the sun. Cell characterization consisted of I-V measurements and quantum efficiency measurements. The low temperature irradiations caused substantial degradation that differs in some ways from that seen after room temperature irradiations. The short circuit current degrades more at low temperature while the open circuit voltage degrades more at room temperature. A room temperature anneal after the low temperature irradiation produced a substantial recovery in the degradation. Following irradiation at both temperatures and an extended room temperature anneal, quantum efficiency measurement suggests that the bulk of the remaining damage is in the (In)GaAs sub-cell. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2008 en_US
dc.subject Quantum Efficiency en_US
dc.subject Radiation Damage en_US
dc.subject Space Solar Cells en_US
dc.subject Triple Junction Solar Cells en_US
dc.title In situ irradiation and measurement of triple junction solar cells at Low Intensity, Low Temperature (LILT) conditions en_US
dc.type Preprint en_US


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