Fill-factor and performance optimization in bulk-heterojunction organic solar cells

L. Pereira; A. J. Trindade; M. G. Santos; J. Gomes

doi:10.1117/12.2063750

22 August 2014 Fill-factor and performance optimization in bulk-heterojunction organic solar cells

L. Pereira, A. J. Trindade, M. G. Santos, J. Gomes

Proceedings Volume 9286, Second International Conference on Applications of Optics and Photonics; 92865B (2014) https://doi.org/10.1117/12.2063750
Event: Second International Conference on Applications of Optics and Photonics, 2014, Aveiro, Portugal

Abstract

One important key to improve the bulk-heterojunction photovoltaics (BHJs) is the fill-factor (FF). In this work, a study of the FF dependence factors on BHJs with an active layer of MEH-PPV / PCBM is made. The FF changes from 20% to 70%, depending on the current – voltage behavior and on the photovoltaic equivalent circuit parameters changes (parallel and series resistances, voltage open circuit, short circuit current and photocurrent). The efficiency changes from 1% to 5%. A theoretical simulation for FF optimization is made allowing a better understand of the physical process involved in the BHJ that modulates such parameter.

Citation Download Citation

L. Pereira, A. J. Trindade, M. G. Santos, and J. Gomes "Fill-factor and performance optimization in bulk-heterojunction organic solar cells", Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92865B (22 August 2014); https://doi.org/10.1117/12.2063750

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