ICCAS OpenIR
Charge-trapping effect of doped fluorescent dye on the electroluminescent processes and its performance in polymer light-emitting diodes
Ye, Tengling; Chen, Zhenyu; Chen, Jiangshan; Ma, Dongge
2010-11-15
Source PublicationMATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
ISSN0921-5107
Volume175Issue:1Pages:75-80
AbstractWe have measured the temperature dependence of the steady-state current-voltage (I-V) characteristics and the transient electroluminescent (EL) characteristics in 4-(dicyanomethylene)-2-t-propyl-6-(1,1,7,7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) doped polyfluorene devices to study the charge-napping effect of DCJTB fluorescent dye on luminescence processes and on device performance Physical and chemical analyses prove that DCJTB molecules serve both as election and hole traps, and the charge-trapping effect is more sensitive against the electrons than the holes at the low dopant concentration This intrinsic characteristic causes the electron to be injected into the emitting layer first and then trapped in the bulk, producing a strong effect on device performance. (C) 2010 Elsevier B V All rights reserved
KeywordCharge-trapping Energy Transfer Light-emitting Diodes
DOI10.1016/j.mseb.2010.07.006
Indexed BySCI
Language英语
WOS IDWOS:000283455800014
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68866
Collection中国科学院化学研究所
Corresponding AuthorMa, Dongge
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, Grad Sch, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Ye, Tengling,Chen, Zhenyu,Chen, Jiangshan,et al. Charge-trapping effect of doped fluorescent dye on the electroluminescent processes and its performance in polymer light-emitting diodes[J]. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS,2010,175(1):75-80.
APA Ye, Tengling,Chen, Zhenyu,Chen, Jiangshan,&Ma, Dongge.(2010).Charge-trapping effect of doped fluorescent dye on the electroluminescent processes and its performance in polymer light-emitting diodes.MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS,175(1),75-80.
MLA Ye, Tengling,et al."Charge-trapping effect of doped fluorescent dye on the electroluminescent processes and its performance in polymer light-emitting diodes".MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS 175.1(2010):75-80.
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