DOI: 10.1063/1.1931038. Modeling electrical transport in blend heterojunction organic solar cells

Modeling electrical transport in blend heterojunction organic solar cells

10.1063/1.1931038

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

In order to understand how to enhance the performance of blend heterojunction organic solar cells, we have developed a theoretical model that enables us to investigate the impact of a number of materials and device parameters on device performance. A full description of the charge transport of photogenerated holes and electrons in a continuum model of the blend is given. The injection of charges at anode and cathode is treated according to previous models. The input of our model is the optical absorption in the active layer of the cell, as calculated within previous optical models, and measured as well as estimated transport parameters. By applying the model to devices with the active layer consisting of an alternating copolymer of fluorene blended with a fullerene derivative, we conclude that the most limiting parameter in these devices is the low hole mobility in the blend. Electron-hole recombination is strongly suppressed compared to Langevin recombination, due to the donor-acceptor separation.

Bibliography

Lacic, S., & InganÃ¤s, O. (2005). Modeling electrical transport in blend heterojunction organic solar cells. Journal of Applied Physics, 97(12).

Authors 2

Sasa Lacic (first)
Olle Inganäs (additional)

References 25 Referenced 80

10.1002/adma.200304150 / Adv. Mater. (Weinheim, Ger.) (2003)
10.1002/adfm.200390011 / Adv. Funct. Mater. (2003)
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Dates

Type	When
Created	20 years, 2 months ago (June 15, 2005, 7:16 p.m.)
Deposited	2 years, 1 month ago (July 31, 2023, 5:25 a.m.)
Indexed	1 month ago (July 30, 2025, 6:46 a.m.)
Issued	20 years, 2 months ago (June 15, 2005)
Published	20 years, 2 months ago (June 15, 2005)
Published Online	20 years, 2 months ago (June 16, 2005)
Published Print	20 years, 2 months ago (June 15, 2005)

Funders 0

None

BibTeX

@article{Lacic_2005, title={Modeling electrical transport in blend heterojunction organic solar cells}, volume={97}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1931038}, DOI={10.1063/1.1931038}, number={12}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Lacic, Sasa and Inganäs, Olle}, year={2005}, month=jun }

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