Smart Grid and Renewable Energy

Volume 2, Issue 3 (August 2011)

ISSN Print: 2151-481X   ISSN Online: 2151-4844

Google-based Impact Factor: 0.88  Citations  

The Effect of Energy Levels of the Electron Acceptor Materials on Organic Photovoltaic Cells

HTML  Download Download as PDF (Size: 485KB)  PP. 278-281  
DOI: 10.4236/sgre.2011.23031    7,919 Downloads   13,026 Views  Citations

ABSTRACT

Organic photovoltaic cells have been fabricated using copper phthalocyanine CuPc as electron donor and C60 or PCBM as electron acceptor. We have investigated the I-V measurements of two different structures: ITO/PEDOT: PSS/(CuPc:C60 or CuPc:PCBM)/BCP/Al. We have observed that the substitution of PCBM by C60 scales up the photocurrent and the efficiency of the devices. As for the open-circuit voltage and the fill factor, we have seen that Voc and FF depend on the energy difference between the highest occupied molecular orbital (HOMO) of CuPc and the lowest unoccupied molecular orbital (LUMO)of C60 or PCBM.

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H. Derouiche, S. Saidi and A. Mohamed, "The Effect of Energy Levels of the Electron Acceptor Materials on Organic Photovoltaic Cells," Smart Grid and Renewable Energy, Vol. 2 No. 3, 2011, pp. 278-281. doi: 10.4236/sgre.2011.23031.

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