2015•Advanced Materials LettersRequires access

Bulk-heterojunction Solar Cells With Different Active Layer Blends: Comparison Of Experimental And Theoretical Results

Vishal Sharma, V. B. Singh, Manoj K. Arora, Swati Arora, R. P. Tandon

Abstract

Bulk-heterojunction (BHJ) organic solar cells (OSCs) were fabricated with various active layer materials. Solar cells of configuration ITO/PEDOT:PSS/P3HT:PC61BM/Al, ITO/PEDOT:PSS/P3HT:PC71BM/Al and ITO/PEDOT:PSS/ PCDTBT:PC71BM/Al were fabricated. Current density-voltage (J-V) characteristics were measured in the dark and under illumination in ambient conditions. A single theoretical model was able to explain the J-V characteristics of all freshly prepared cells using realistic parameters.

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Key concepts: PEDOT:PSS, Materials science, Active layer, Organic solar cell, Polymer solar cell, Heterojunction, Layer (electronics), Optoelectronics