ICCAS OpenIR
Efficient near-infrared organic light-emitting diodes based on multimetallic assemblies of lanthanides and iridium complexes
Chen, Zhu-Qi; Ding, Fei; Bian, Zu-Qiang; Huang, Chun-Hui
2010-03-01
Source PublicationORGANIC ELECTRONICS
ISSN1566-1199
Volume11Issue:3Pages:369-376
AbstractTwo structurally simple Iridium(III) complexes with pyrimidin-imidazole derivatives as the ancillary ligands (Ir1 and Ir2) were synthesized. Photophysical studies showed that the iridium complexes have suitable triplet energy levels for sensitizing Nd-III. The efficient energy transfer from Ir-III moiety to Nd-III is observed in both solutions and films. Utilizing co-deposition film of Ir-Nd assemblies as the emitting layer, nondoped OLEDs were fabricated. EL devices with a structure of NPB (1,4-bis((1-naphthylphenyl) amino) biphenyl, 30 nm)/Ir1-Nd(PMIP)(3) (1-phenyl-3-methyl-4-isobutyryl-5-pyrazolone, 1:1, 40 nm)/BCP (2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline, 10 nm)/Alq(3) (tris(8-hydroxyquinoline), 30 nm) exhibited a NIR emission from Nd-III ions. The highest EQE achieved is 0.3%, with a maximum radiance of 6.1 mu W cm(-2) at the main emission wavelength of 1060 nm. This result provides a useful guidance for the future work of lanthanide complexes based NIR OLEDs. (C) 2009 Elsevier B.V. All rights reserved.
KeywordNear-infrared Emission Electroluminesence Lanthanide Multimetallic Assembly
DOI10.1016/j.orgel.2009.11.015
Indexed BySCI
Language英语
WOS IDWOS:000274583300003
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:34[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69112
Collection中国科学院化学研究所
Corresponding AuthorBian, Zu-Qiang
AffiliationPeking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Chen, Zhu-Qi,Ding, Fei,Bian, Zu-Qiang,et al. Efficient near-infrared organic light-emitting diodes based on multimetallic assemblies of lanthanides and iridium complexes[J]. ORGANIC ELECTRONICS,2010,11(3):369-376.
APA Chen, Zhu-Qi,Ding, Fei,Bian, Zu-Qiang,&Huang, Chun-Hui.(2010).Efficient near-infrared organic light-emitting diodes based on multimetallic assemblies of lanthanides and iridium complexes.ORGANIC ELECTRONICS,11(3),369-376.
MLA Chen, Zhu-Qi,et al."Efficient near-infrared organic light-emitting diodes based on multimetallic assemblies of lanthanides and iridium complexes".ORGANIC ELECTRONICS 11.3(2010):369-376.
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