Special Section on Organic Light-Emitting Materials and Devices

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

[+] Author Affiliations
Daniele Rezzonico, Benjamin Perucco, Felix Müller

Fluxim AG, Winterthur, 8835 Feusisberg, Switzerland

Evelyne Knapp, Roger Häusermann, Nils A. Reinke

Zurich University of Applied Sciences, Institute of Computational Physics, Winterthur, 8401 Switzerland

Beat Ruhstaller

Fluxim AG, Winterthur, 8835 Feusisberg, Switzerland

Zurich University of Applied Sciences, Institute of Computational Physics, Winterthur, 8401 Switzerland

J. Photon. Energy. 1(1), 011005 (January 13, 2011). doi:10.1117/1.3528045
History: Received August 15, 2010; Accepted November 22, 2010; Published January 13, 2011; Online January 14, 2011
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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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© 2011 Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation

Daniele Rezzonico ; Benjamin Perucco ; Evelyne Knapp ; Roger Häusermann ; Nils A. Reinke, et al.
"Numerical analysis of exciton dynamics in organic light-emitting devices and solar cells", J. Photon. Energy. 1(1), 011005 (January 13, 2011). ; http://dx.doi.org/10.1117/1.3528045


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