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Detailed analysis of exciton-decay-time change in organic light-emitting devices caused by optical effects

Saso Mladenovski (UGent) , Sebastian Reineke, Lieven Penninck (UGent) and Kristiaan Neyts (UGent)
(2011) JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY. 19(1). p.80-86
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Abstract
The exciton decay time in organic light-emitting devices (OLEDs) depends on the optical environment, i.e., the thicknesses and refractive indices of all layers in a device. The decay of an exciton can occur through a radiative or a non-radiative channel. Each of these channels has a probability, which is expressed by, respectively, the radiative and the non-radiative decay rate. The radiative decay rate is influenced by the optical environment, i.e., the OLED's thin-film layer structure. In this paper, a model for estimating the change of the exciton decay time (inverse of the decay rate) is presented. In addition, the decay time change in both top-and bottom-emitting OLEDs as a function of the charge-transport layer thicknesses has been investigated. Furthermore, the most important mechanism responsible for the exciton decay time change is outlined.
Keywords
EMISSION, SIMULATION, HIGH-EFFICIENCY, dipole antenna, DIODES, OLED, LAYERS, exciton decay time

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MLA
Mladenovski, Saso, et al. “Detailed Analysis of Exciton-Decay-Time Change in Organic Light-Emitting Devices Caused by Optical Effects.” JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol. 19, no. 1, 2011, pp. 80–86, doi:10.1889/JSID19.1.80.
APA
Mladenovski, S., Reineke, S., Penninck, L., & Neyts, K. (2011). Detailed analysis of exciton-decay-time change in organic light-emitting devices caused by optical effects. JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, 19(1), 80–86. https://doi.org/10.1889/JSID19.1.80
Chicago author-date
Mladenovski, Saso, Sebastian Reineke, Lieven Penninck, and Kristiaan Neyts. 2011. “Detailed Analysis of Exciton-Decay-Time Change in Organic Light-Emitting Devices Caused by Optical Effects.” JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY 19 (1): 80–86. https://doi.org/10.1889/JSID19.1.80.
Chicago author-date (all authors)
Mladenovski, Saso, Sebastian Reineke, Lieven Penninck, and Kristiaan Neyts. 2011. “Detailed Analysis of Exciton-Decay-Time Change in Organic Light-Emitting Devices Caused by Optical Effects.” JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY 19 (1): 80–86. doi:10.1889/JSID19.1.80.
Vancouver
1.
Mladenovski S, Reineke S, Penninck L, Neyts K. Detailed analysis of exciton-decay-time change in organic light-emitting devices caused by optical effects. JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY. 2011;19(1):80–6.
IEEE
[1]
S. Mladenovski, S. Reineke, L. Penninck, and K. Neyts, “Detailed analysis of exciton-decay-time change in organic light-emitting devices caused by optical effects,” JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY, vol. 19, no. 1, pp. 80–86, 2011.
@article{1849099,
  abstract     = {{The exciton decay time in organic light-emitting devices (OLEDs) depends on the optical environment, i.e., the thicknesses and refractive indices of all layers in a device. The decay of an exciton can occur through a radiative or a non-radiative channel. Each of these channels has a probability, which is expressed by, respectively, the radiative and the non-radiative decay rate. The radiative decay rate is influenced by the optical environment, i.e., the OLED's thin-film layer structure. In this paper, a model for estimating the change of the exciton decay time (inverse of the decay rate) is presented. In addition, the decay time change in both top-and bottom-emitting OLEDs as a function of the charge-transport layer thicknesses has been investigated. Furthermore, the most important mechanism responsible for the exciton decay time change is outlined.}},
  author       = {{Mladenovski, Saso and Reineke, Sebastian and Penninck, Lieven and Neyts, Kristiaan}},
  issn         = {{1071-0922}},
  journal      = {{JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY}},
  keywords     = {{EMISSION,SIMULATION,HIGH-EFFICIENCY,dipole antenna,DIODES,OLED,LAYERS,exciton decay time}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{80--86}},
  title        = {{Detailed analysis of exciton-decay-time change in organic light-emitting devices caused by optical effects}},
  url          = {{http://doi.org/10.1889/JSID19.1.80}},
  volume       = {{19}},
  year         = {{2011}},
}
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