期刊
CHEMICAL PHYSICS LETTERS
卷 461, 期 1-3, 页码 77-81出版社
ELSEVIER
DOI: 10.1016/j.cplett.2008.06.070
关键词
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The stability and degradation of calcium/aluminium cathode organic solar cells are investigated in situ by time-resolved energy dispersive X-ray reflectometry. They combine the good charge carrier separation and transport properties of the poly(3-hexylthiophene-2,5-diyl):C-61-butyric acid methyl ester (P3HT:PCBM) bulk heterojunction blend and the capability of the calcium/aluminium cathode to improve the fill factor and the open circuit voltage, with respect to aluminium cathodes cells. The study focuses on the crucial problem of the device structural/morphological stability in working condition. It aims to detect and control possible morphological variations at the various interfaces and to correlate these changes to the device aging. (C) 2008 Elsevier B.V. All rights reserved.
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