Understanding Degradation Pathways in Organic Photovoltaics (Poster)

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Organic Photovoltaics (OPVs) recently attained power conversion efficiencies that are of interest for commercial production. Consequently, one of the most important unsolved issues facing a new industry is understanding what governs lifetime in organic devices and discovering solutions to mitigate degradation mechanisms. Historically, the active organic components are considered vulnerable to photo-oxidation and represent the primary degradation channel. However, we present several (shelf life and light soaking) studies pointing the relative stability of the active layers and instabilities in commonly used electrode materials. We show that engineering of the hole/electron layer at the electrode can lead to environmentally stable devices ... continued below

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1 pg.

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Lloyd, M. T.; Olson, D. C.; Garcia, A.; Kauvar, I.; Kopidakis, N.; Reese, M. O. et al. February 1, 2011.

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Organic Photovoltaics (OPVs) recently attained power conversion efficiencies that are of interest for commercial production. Consequently, one of the most important unsolved issues facing a new industry is understanding what governs lifetime in organic devices and discovering solutions to mitigate degradation mechanisms. Historically, the active organic components are considered vulnerable to photo-oxidation and represent the primary degradation channel. However, we present several (shelf life and light soaking) studies pointing the relative stability of the active layers and instabilities in commonly used electrode materials. We show that engineering of the hole/electron layer at the electrode can lead to environmentally stable devices even without encapsulation.

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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-5200-50739
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 1009688
  • Archival Resource Key: ark:/67531/metadc843887

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Office of Scientific & Technical Information Technical Reports

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  • February 1, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Dec. 9, 2016, 7:32 p.m.

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Lloyd, M. T.; Olson, D. C.; Garcia, A.; Kauvar, I.; Kopidakis, N.; Reese, M. O. et al. Understanding Degradation Pathways in Organic Photovoltaics (Poster), article, February 1, 2011; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc843887/: accessed November 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.