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Influence of Alq3/Au cathode on stability and efficiency of a layered organic solar cell in air

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Nov 2008Publisher:Elsevier BVJournal:Solar Energy Materials and Solar Cells, volume 92, pages 1,416-1,420 (issn: 0927-0248,

Authors: Vladimir Chukharev; Helge Lemmetyinen; Johanna Jukola; Mikko Ojala; Paola Vivo;

doi: 10.1016/j.solmat.2008.06.002

Influence of Alq3/Au cathode on stability and efficiency of a layered organic solar cell in air

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Abstract

Abstract A relatively long lifetime organic solar cell, containing a thin tris-8-hydroxy-quinolato aluminum (Alq 3 ) layer under an Au cathode, is described. Half-lifetime of the cell in the darkness is over 7 weeks and 30% of the initial power conversion efficiency ( η ) is obtained after 18 weeks. This represents a substantial increase in lifetime compared to that of the unencapsulated Al-cathode cells. Efficiency is enhanced by 60 times compared to a cell that does not contain Alq 3 , being 0.60%. The proposed role of Alq 3 /Au cathode in this cell is discussed in detail.

Related Organizations

Tampere University of Technology
Finland
Tampere University
Finland

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