ICCAS OpenIR
Lead(IV) dioxide: an effective electron injection material to realize high-efficiency inverted top-emitting organic light-emitting diodes
Wang, Qiang; Wang, Fengxia; Qiao, Xianfeng; Ma, Dongge
2009-10-01
Source PublicationSEMICONDUCTOR SCIENCE AND TECHNOLOGY
ISSN0268-1242
Volume24Issue:10
AbstractLead(IV) dioxide (PbO(2)) has been used as the electron injection layer (EIL) to realize high-efficiency inverted top-emitting organic light-emitting diodes (I-TOLEDs). It can be seen that the inserting of the PbO(2) EIL significantly reduces operational voltage, thus greatly improving the current efficiency and power efficiency of fabricated I-TOLEDs. The 10-(2-benzothiazolyl)-1, 1, 7, 7-tetramethyl-2, 3, 6, 7-tetrahydro-1H, 5H, 11H-[1] benzopyrano [6, 7, 8-ij] quinolizin-11-one (C545T)-based I-TOLEDs with the PbO2 EIL exhibit a maximum current efficiency of 31.6 cd A(-1) and a maximum power efficiency of 14.3 lm W(-1), which are both higher than 22.5 cd A(-1) and 5.4 lm W(-1) of the I-TOLEDs with LiF as the EIL respectively. A detailed analysis with respect to the role mechanism of PbO(2) in electron injection has been presented. The improvement in EL performance is attributed to the formation of the interfacial dipoles at the electrode interface due to charge transfer between PbO(2) and Alq(3).
DOI10.1088/0268-1242/24/10/105027
Indexed BySCI
Language英语
WOS IDWOS:000270219600027
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65894
Collection中国科学院化学研究所
Corresponding AuthorWang, Qiang
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
Wang, Qiang,Wang, Fengxia,Qiao, Xianfeng,et al. Lead(IV) dioxide: an effective electron injection material to realize high-efficiency inverted top-emitting organic light-emitting diodes[J]. SEMICONDUCTOR SCIENCE AND TECHNOLOGY,2009,24(10).
APA Wang, Qiang,Wang, Fengxia,Qiao, Xianfeng,&Ma, Dongge.(2009).Lead(IV) dioxide: an effective electron injection material to realize high-efficiency inverted top-emitting organic light-emitting diodes.SEMICONDUCTOR SCIENCE AND TECHNOLOGY,24(10).
MLA Wang, Qiang,et al."Lead(IV) dioxide: an effective electron injection material to realize high-efficiency inverted top-emitting organic light-emitting diodes".SEMICONDUCTOR SCIENCE AND TECHNOLOGY 24.10(2009).
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