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Ardalan Armin, Gytis Juska, Mujeeb Ullah, Marappan Velusamy, Paul L. Burn, Paul Meredith and Almantas Pivrikas Balanced Carrier Mobilities: Not a Necessary Condition for High-Efficiency Thin Organic Solar Cells as Determined by MIS-CELIV Advanced Energy Materials 4

Version of Record online: 9 OCT 2013 | DOI: 10.1002/aenm.201300954

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The injection-charge extraction by linearly increasing voltage (i-CELIV) methodology is used in a metal-insulator-semiconductor configuration (MIS-CELIV) to selectively measure electron and hole mobilities in poly[N-9′′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)] (PCDTBT) and [6,6]-phenyl C70-butyric acid methyl ester (PC70BM) blends. It is shown that balanced mobilities are not a necessity in thin, high-efficiency organic solar cells.

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