Suppression of external quantum efficiency rolloff in organic light emitting diodes by scavenging triplet excitons

Large external quantum efficiency rolloff at high current densities in organic light-emitting diodes (OLEDs) is frequently caused by the quenching of radiative singlet excitons by long-lived triplet excitons [singlet–triplet annihilation (STA)]. In this study, we adopted a triplet scavenging strateg...

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Veröffentlicht in:Nat Commun
Hauptverfasser: Karunathilaka, Buddhika S. B., Balijapalli, Umamahesh, Senevirathne, Chathuranganie A. M., Yoshida, Seiya, Esaki, Yu, Goushi, Kenichi, Matsushima, Toshinori, Sandanayaka, Atula S. D., Adachi, Chihaya
Format: Artigo
Sprache:Inglês
Veröffentlicht: Nature Publishing Group UK 2020
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Article
Online Zugang:https://ncbi.nlm.nih.gov/pmc/articles/PMC7531006/
https://ncbi.nlm.nih.gov/pubmed/33004796
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-020-18292-0
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