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Highly efficient tandem organic light-emitting diodes based on SubPc:C-60 bulk heterojunction as charge generation layer
Ma, Zhu1; Liu, Shengqiang1; Hu, Song2; Yu, Junsheng1
Source PublicationJOURNAL OF LUMINESCENCE
Volume169Pages:29-34
2016
Language英语
ISSN0022-2313
DOI10.1016/j.jlumin.2015.08.040
Indexed BySCI
WOS IDWOS:000365604700005
SubtypeArticle
AbstractHigh efficiency tandem organic light-emitting diodes (OLEDs) were realized using an organic bulk heterojunction (BM) as charge generation layer (CGL) consisted of boron subphthalocyanine chloride (SubPc) and fullerene (C-60). The results showed that the SubPc:C-60 based CGL is a promising connecting unit for the fabrication of high efficiency tandem OLEDs with 2.64 folds enhancement in a current efficiency of 63.6 cd/A, compare to the corresponding single-unit OLEDs. The efficiency enhancement of tandem OLEDs is attributed to better charge carrier balance derived from the optimized charge transport pathways and reduced interface energy barrier. It showed that the charge generation ability and charge transport characteristics of CGL were strongly dependent on SubPc:C-60 mixing ratio and corresponding film morphology, which was verified by the charge extracting analysis. Additionally, the highest occupied molecular orbital energy level of SubPc is compatible for most of hole transporting layer to minimize the hole injection barrier and suppress the hole accumulation and charge recombination in tandem OLEDs. (C) 2015 Elsevier B.V. All rights reserved.
KeywordTandemorganiclight-emittingdiodes Charge Generationlayer Subpc:C-60 Charge Transport
WOS KeywordTHIN-FILM TRANSISTORS ; ELECTROLUMINESCENT DEVICES ; ARCHITECTURE ; PERFORMANCE ; FLUORESCENT ; MOBILITY ; HOST
WOS Research AreaOptics
WOS SubjectOptics
Citation statistics
Cited Times:21[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/3772
Collection光电技术研究所被WoS收录文章
Affiliation1.Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Sch Optoelect Informat, Chengdu 610054, Peoples R China
2.Chinese Acad Sci, Chengdu Inst Opt & Elect, Chengdu 610209, Peoples R China
Recommended Citation
GB/T 7714
Ma, Zhu,Liu, Shengqiang,Hu, Song,et al. Highly efficient tandem organic light-emitting diodes based on SubPc:C-60 bulk heterojunction as charge generation layer[J]. JOURNAL OF LUMINESCENCE,2016,169:29-34.
APA Ma, Zhu,Liu, Shengqiang,Hu, Song,&Yu, Junsheng.(2016).Highly efficient tandem organic light-emitting diodes based on SubPc:C-60 bulk heterojunction as charge generation layer.JOURNAL OF LUMINESCENCE,169,29-34.
MLA Ma, Zhu,et al."Highly efficient tandem organic light-emitting diodes based on SubPc:C-60 bulk heterojunction as charge generation layer".JOURNAL OF LUMINESCENCE 169(2016):29-34.
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