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    Encapsulation of pentacene/C₆₀ organic solar cells with Al₂O₃ deposited by atomic layer deposition

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    COPE_031.pdf (548.3Kb)
    Date
    2007-06
    Author
    Potscavage, William J., Jr.
    Yoo, SeungHyup
    Domercq, Benoit
    Kippelen, Bernard
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    Abstract
    Organic solar cells based on pentacene/C₆₀ heterojunctions were encapsulated using a 200-nm-thick film of Al₂O₃ deposited by atomic layer deposition (ALD). Encapsulated devices maintained power conversion efficiency after exposure to ambient atmosphere for over 6000 h, while devices with no encapsulation degraded rapidly after only 10 h of air exposure. In addition, thermal annealing associated with the ALD deposition is shown to improve the open-circuit voltage and power conversion efficiency of the solar cells.
    URI
    http://hdl.handle.net/1853/46616
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    • COPE Publications [376]

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