Bright electroluminescence from a conjugated dendrimer
Ma, DG; Lupton, JM; Samuel, IDW; Lo, SC; Burn, PL
AbstractPhotoluminescence and electroluminescence (EL) from a conjugated dendrimer consisting of three distyrylbenzene units linked by a central nitrogen atom as core and meta-linked biphenyl units as dendrons were investigated. The conjugated dendrimer emits green light and shows photoluminescence quantum efficiency of 9%. Bright electroluminescence was realized by using bilayer devices with blurred interface, which were fabricated by sequentially spin coating a neat dendrimer and a dendrimer doped with 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole (PBD). The devices have the following structure: indium tin oxide/3,4-polyethylenedioxythiothene-polystyrenesulfonate/dendrimer/ dendrimer:PBD/Al. By optimizing the concentration of PBD, the maximum brightness and EL quantum efficiency reach 4100 cd/m(2) and 0.17%, respectively. This is the best result reported so far on organic light-emitting diodes using dendrimer as an active material with an Al cathode. (C) 2002 American Institute of Physics.
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WOS IDWOS:000177911200048
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Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorMa, DG
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Univ St Andrews, Sch Phys & Astron, St Andrews KY16 9SS, Fife, Scotland
3.Univ Oxford, Dyson Perrins Lab, Oxford OX1 3QY, England
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Ma, DG,Lupton, JM,Samuel, IDW,et al. Bright electroluminescence from a conjugated dendrimer[J]. APPLIED PHYSICS LETTERS,2002,81(12):2285-2287.
APA Ma, DG,Lupton, JM,Samuel, IDW,Lo, SC,&Burn, PL.(2002).Bright electroluminescence from a conjugated dendrimer.APPLIED PHYSICS LETTERS,81(12),2285-2287.
MLA Ma, DG,et al."Bright electroluminescence from a conjugated dendrimer".APPLIED PHYSICS LETTERS 81.12(2002):2285-2287.
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