Numerical analysis of exciton dynamics in organic light-emitting devices and solar cells

Daniele Rezzonico; Benjamin Perucco; Evelyne Knapp; Roger Haeusermann; Nils A. Reinke; Felix Müller; Beat Ruhstaller

doi:10.1117/1.3528045

1 January 2011 Numerical analysis of exciton dynamics in organic light-emitting devices and solar cells

Daniele Rezzonico, Benjamin Perucco, Evelyne Knapp, Roger Haeusermann, Nils A. Reinke, Felix Müller, Beat Ruhstaller

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Journal of Photonics for Energy, Vol. 1, Issue 1, 011005 (January 2011). https://doi.org/10.1117/1.3528045

Abstract

We demonstrate the importance of a comprehensive modeling of the dynamics of excited states in organic optoelectronics devices. Our numerical analysis demonstrates that exciton distributions extracted from spectral emission measurements of OLEDs are equivalent to those obtained by solving charge and exciton transport equations when the position-dependent coupling to optical modes is taken into account. The transport simulations are based on the extended Gaussian disorder model for organic semiconductors. Further, we show that the same numerical modeling framework can be used to accurately simulate bulk-heterojunction organic solar cells with dissociation of charge-transfer excitons. The simulations are compared to experimental data.

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Daniele Rezzonico, Benjamin Perucco, Evelyne Knapp, Roger Haeusermann, Nils A. Reinke, Felix Müller, and Beat Ruhstaller "Numerical analysis of exciton dynamics in organic light-emitting devices and solar cells," Journal of Photonics for Energy 1(1), 011005 (1 January 2011). https://doi.org/10.1117/1.3528045

Published: 1 January 2011

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Cited by 6 scholarly publications.

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KEYWORDS

Excitons

Solar cells

Organic light emitting diodes

Numerical analysis

Instrument modeling

Polymers

Computer simulations

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