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Balanced charge transport and enhanced white electroluminescence from a single white emissive polymer via thermal annealing
Niu, Xiaodi; Zhang, Baohua; Xie, Zhiyuan; Cheng, Yanxiang; Wang, Lixiang
2010-02-15
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume96Issue:7
AbstractThe effect of thermal annealing on electroluminescence of polyfluorene-based single white emissive polymer is demonstrated. Both color purity and light-emitting efficiency of the devices are enhanced via thermal annealing. It is found that thermal annealing can induce the formation of crystalline polyfluorene phase that acts as an efficient blue fluorescent dopant for enhancing blue emission and hence color purity of the white light. Most importantly, the hole and electron transport is balanced after thermal annealing that favors improving the light-emitting efficiency. A light-emitting efficiency of 10 cd/A is achieved after thermal annealing, about 30% increase compared to the as-produced device.
KeywordAnnealing Electroluminescence Fluorescence Organic Light Emitting Diodes Polymers Transport Processes
DOI10.1063/1.3323099
Indexed BySCI
Language英语
WOS IDWOS:000274758100080
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68908
Collection中国科学院化学研究所
Corresponding AuthorXie, Zhiyuan
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Niu, Xiaodi,Zhang, Baohua,Xie, Zhiyuan,et al. Balanced charge transport and enhanced white electroluminescence from a single white emissive polymer via thermal annealing[J]. APPLIED PHYSICS LETTERS,2010,96(7).
APA Niu, Xiaodi,Zhang, Baohua,Xie, Zhiyuan,Cheng, Yanxiang,&Wang, Lixiang.(2010).Balanced charge transport and enhanced white electroluminescence from a single white emissive polymer via thermal annealing.APPLIED PHYSICS LETTERS,96(7).
MLA Niu, Xiaodi,et al."Balanced charge transport and enhanced white electroluminescence from a single white emissive polymer via thermal annealing".APPLIED PHYSICS LETTERS 96.7(2010).
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