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Publikationstyp: Beitrag in wissenschaftlicher Zeitschrift
Art der Begutachtung: Editorial review
Titel: Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model
Autor/-in: Regnat, Markus
Pernstich, Kurt P.
Kim, Kwon‐Hyeon
Kim, Jang‐Joo
Nüesch, Frank
Ruhstaller, Beat
et. al: No
DOI: 10.1002/aelm.201900804
10.21256/zhaw-19292
Erschienen in: Advanced Electronic Materials
Band(Heft): 6
Heft: 2
Seite(n): 1900804
Erscheinungsdatum: Dez-2019
Verlag / Hrsg. Institution: Wiley
ISSN: 2199-160X
Sprache: Englisch
Schlagwörter: OLED; TADF; Simulation; Efficiency
Fachgebiet (DDC): 621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnik
621.3: Elektro-, Kommunikations-, Steuerungs- und Regelungstechnik
Zusammenfassung: Fluorescence-based organic light-emitting diodes (OLEDs) using thermally activated delayed fluorescence (TADF) have increasingly attracted attention in research and industry. One method to implement TADF is based on an emitter layer composed of an exciplex host and a fluorescent dopant. Even though the experimental realization of this concept has demonstrated promising external quantum efficiencies, the full potential of this approach has not yet been assessed. To this end, a comprehensive electro-optical device model accounting for the full exciton dynamics including triplet harvesting and exciton quenching is presented. The model parameters are fitted to multiple output characteristics of an OLED comprising a TADF exciplex host with a fluorescent emitter, showing an external quantum efficiency of >10%. With the model at hand, an emission zone analysis and a parameter study are performed, and possible routes for further efficiency enhancement are presented.
URI: https://digitalcollection.zhaw.ch/handle/11475/19292
Volltext Version: Publizierte Version
Lizenz (gemäss Verlagsvertrag): CC BY 4.0: Namensnennung 4.0 International
Departement: School of Engineering
Organisationseinheit: Institute of Computational Physics (ICP)
Enthalten in den Sammlungen:Publikationen School of Engineering

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Regnat, M., Pernstich, K. P., Kim, K.-H., Kim, J.-J., Nüesch, F., & Ruhstaller, B. (2019). Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model. Advanced Electronic Materials, 6(2), 1900804. https://doi.org/10.1002/aelm.201900804
Regnat, M. et al. (2019) ‘Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model’, Advanced Electronic Materials, 6(2), p. 1900804. Available at: https://doi.org/10.1002/aelm.201900804.
M. Regnat, K. P. Pernstich, K.-H. Kim, J.-J. Kim, F. Nüesch, and B. Ruhstaller, “Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model,” Advanced Electronic Materials, vol. 6, no. 2, p. 1900804, Dec. 2019, doi: 10.1002/aelm.201900804.
REGNAT, Markus, Kurt P. PERNSTICH, Kwon‐Hyeon KIM, Jang‐Joo KIM, Frank NÜESCH und Beat RUHSTALLER, 2019. Routes for efficiency enhancement in fluorescent TADF exciplex host OLEDs gained from an electro‐optical device model. Advanced Electronic Materials. Dezember 2019. Bd. 6, Nr. 2, S. 1900804. DOI 10.1002/aelm.201900804
Regnat, Markus, Kurt P. Pernstich, Kwon‐Hyeon Kim, Jang‐Joo Kim, Frank Nüesch, and Beat Ruhstaller. 2019. “Routes for Efficiency Enhancement in Fluorescent TADF Exciplex Host OLEDs Gained from an Electro‐Optical Device Model.” Advanced Electronic Materials 6 (2): 1900804. https://doi.org/10.1002/aelm.201900804.
Regnat, Markus, et al. “Routes for Efficiency Enhancement in Fluorescent TADF Exciplex Host OLEDs Gained from an Electro‐Optical Device Model.” Advanced Electronic Materials, vol. 6, no. 2, Dec. 2019, p. 1900804, https://doi.org/10.1002/aelm.201900804.


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