Triplet-Polaron-Interaction-Induced Upconversion from Triplet to Singlet : a Possible Way to Obtain Highly Efficient OLEDs

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 28(2016), 23 vom: 03. Juni, Seite 4740-6
1. Verfasser: Obolda, Ablikim (VerfasserIn)
Weitere Verfasser: Peng, Qiming, He, Chuanyou, Zhang, Tian, Ren, Jiajun, Ma, Hongwei, Shuai, Zhigang, Li, Feng
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article charge transfer deep-blue emission fluorescence organic light-emitting devices triplet-polaron interaction
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520 |a Two D-A-type molecules, 4-N-[4-(9-phenylcarbazole)]-3,5-bis(4-diphenylamine)phenyl-4H-1,2,4-triazole and 4,4'-(9-(4-(1-phenyl-1H-phenanthro[9,10-d]imidazol-2-yl)phenyl)-9H-carbazole-3,6-diyl) bis-(N,N-diphenylaniline), are designed and synthesized. Organic lightemitting diodes based on them exhibit deep-blue emission and the singlet formation ratios are higher than the simple spin-statistics of 25%. A triplet-polaroninteraction-induced upconversion from triplet to singlet through a one-electron transfer mechanism is proposed, and is proven by magnetocurrent measurement and quantum-chemistry computation 
650 4 |a Journal Article 
650 4 |a charge transfer 
650 4 |a deep-blue emission 
650 4 |a fluorescence 
650 4 |a organic light-emitting devices 
650 4 |a triplet-polaron interaction 
700 1 |a Peng, Qiming  |e verfasserin  |4 aut 
700 1 |a He, Chuanyou  |e verfasserin  |4 aut 
700 1 |a Zhang, Tian  |e verfasserin  |4 aut 
700 1 |a Ren, Jiajun  |e verfasserin  |4 aut 
700 1 |a Ma, Hongwei  |e verfasserin  |4 aut 
700 1 |a Shuai, Zhigang  |e verfasserin  |4 aut 
700 1 |a Li, Feng  |e verfasserin  |4 aut 
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773 1 8 |g volume:28  |g year:2016  |g number:23  |g day:03  |g month:06  |g pages:4740-6 
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