Correlations in Characteristic Data of Concentrator Photovoltaics (Poster)

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This study is motivated by a reported 1-2% infant mortality rate in concentrator photovoltaic cell assemblies. Approximately 650 bare III-V multi-junction PV cells were initially characterized via electroluminescence imaging and both light and dark current-voltage responses were recorded. The cells were then packaged into receivers and their IV response again evaluated both before and after an outdoor high concentration exposure of at least four hours above 750 DNI. Correlations exist between the initial dark IV characteristic and artifacts found in the EL image. Initial results also suggest that artifacts observed in the bare cell may serve as an indicator for ... continued below

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Sweet, C.; Bosco, N. & Kurtz, S. February 1, 2011.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 16 times , with 6 in the last month . More information about this article can be viewed below.

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This study is motivated by a reported 1-2% infant mortality rate in concentrator photovoltaic cell assemblies. Approximately 650 bare III-V multi-junction PV cells were initially characterized via electroluminescence imaging and both light and dark current-voltage responses were recorded. The cells were then packaged into receivers and their IV response again evaluated both before and after an outdoor high concentration exposure of at least four hours above 750 DNI. Correlations exist between the initial dark IV characteristic and artifacts found in the EL image. Initial results also suggest that artifacts observed in the bare cell may serve as an indicator for early on-sun degradation, though may not be able to predict the infant mortality population.

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1 pg.

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  • Presented at the 2011 Photovoltaic Module Reliability Workshop, 16-17 February 2011, Golden, Colorado; Related Information: NREL (National Renewable Energy Laboratory)

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  • Report No.: NREL/PO-5200-51246
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1011773
  • Archival Resource Key: ark:/67531/metadc833784

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  • February 1, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Dec. 8, 2016, 3:07 p.m.

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Sweet, C.; Bosco, N. & Kurtz, S. Correlations in Characteristic Data of Concentrator Photovoltaics (Poster), article, February 1, 2011; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc833784/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.