期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 91, 期 5, 页码 405-410出版社
ELSEVIER
DOI: 10.1016/j.solmat.2006.10.019
关键词
organic solar cells; short-circuit density; optical modeling; P3HT : PCBM blend
We have investigated the short-circuit Current density of organic solar cells based on poly (3-hexylthiophene)(P3HT)/6,6-phenyl C61-butyric acid methyl ester (PCBM) blend. In order to model charge collection efficiencies with respect to short circuit density in such blends, a full optical modeling of the cell is performed. From the distribution of the electromagnetic field, we compute the rate of exciton generation. This exciton generation rate is used as input in the transport equations of holes and electrons. Charge densities at steady state are obtained as solutions are used for computing short-circuit current densities generated in the cell. The dependence of short-circuit current densities versus the thickness of the blend is analyzed and compared with Our experimental data and with data extracted from the literature. (c) 2006 Elsevier B.V. All rights reserved.
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