Indium tin oxide modified transparent nanotube thin films as effective anodes for flexible organic light-emitting diodes

Jianfeng Li, Liangbing Hu, Jun Liu, Lian Wang, Tobin J Marks, George Grüner

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

Sn-doped In2 O3 (ITO) modified single-walled carbon nanotube (SW-CNT) transparent electrodes are fabricated on flexible polyethyleneterephthalate (PET) substrates by stamp printing SW-CNT films, followed by room temperature ion-assisted deposition of ITO. Polymer light-emitting diodes (PLEDs) using such film as anodes exhibit superior performance versus CNT-only controls. Flexible PLEDs with the following structure: PET/CNT(30 nm)-ITO(45 nm)/poly (3,4-ethylenedioxythiophene) poly (styrenesulfonate)/[poly(9,9-dioctyl-fluorene- co-N-(4-butylphenyl)diphenylamine)]+ {4, 4′ -bis[(p-trichlorosilyl propylphenyl)-phenylamino]biphenyl}/[poly(9,9-dioctylfluorene-co- benzothiadiazole)]/CsF/Al, achieve a maximum light output of 8900 cd m2 with a current efficiency of 4.5 cdA. Bending test comparisons with ITO/PET show the ITO modified CNT/PET electrodes to be far more mechanically flexible.

Original languageEnglish
Article number083306
JournalApplied Physics Letters
Volume93
Issue number8
DOIs
Publication statusPublished - 2008

Fingerprint

ITO (semiconductors)
indium oxides
tin oxides
nanotubes
anodes
light emitting diodes
carbon nanotubes
thin films
electrodes
polymers
printing
output
room temperature
ions

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Indium tin oxide modified transparent nanotube thin films as effective anodes for flexible organic light-emitting diodes. / Li, Jianfeng; Hu, Liangbing; Liu, Jun; Wang, Lian; Marks, Tobin J; Grüner, George.

In: Applied Physics Letters, Vol. 93, No. 8, 083306, 2008.

Research output: Contribution to journalArticle

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