Organic Light‐Emitting Diodes: Modeling Electron‐Transfer Degradation of Organic Light‐Emitting Devices (Adv. Mater. 12/2021)

A chemical model capable of predicting the operational stability for organic light‐emitting devices is established, as reported by Dongho Kim, Jun Yeob Lee, Youngmin You, and co‐workers in article number 2003832. This model involves Langevin recombination, followed by electron transfer from a dopant...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2021-03, Vol.33 (12), p.n/a
Main Authors: Moon, Yu Kyung, Jang, Ho Jin, Hwang, Sanju, Kang, Seongsoo, Kim, Sinheui, Oh, Juwon, Lee, Sangheon, Kim, Dongho, Lee, Jun Yeob, You, Youngmin
Format: Article
Language:English
Subjects:
Chemical reactions
degradation
device lifetime
Electroluminescence
Electron transfer
Excitons
Materials science
organic light‐emitting devices
Photodegradation
Stability
thermally activated delayed fluorescence
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Summary:A chemical model capable of predicting the operational stability for organic light‐emitting devices is established, as reported by Dongho Kim, Jun Yeob Lee, Youngmin You, and co‐workers in article number 2003832. This model involves Langevin recombination, followed by electron transfer from a dopant to a host exciton, as the key degradation step. The research disentangles the chemical processes in the degradation and provides a useful foundation for enhancing the operational stability of electroluminescence devices.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202170090