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[6,6]-Phenyl C61 Butyric Acid Methyl Ester-Polymer Nanocomposite: A Good Material Platform for Organic Light-Emitting Diodes

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Abstract:

PCBM-polymer nanocomposites [[6,6]-Phenyl C61 butyric acid methyl ester (PCBM):Poly(9-vinylcarbazole) (PVK)] were prepared by dissolving them in chloroform. Photophysical properties were studied first, and then the hole-only devices were fabricated to study the hole-transporting properties. The specially designed organic light-emitting diodes (OLEDs) with the structure of indium tin oxide (ITO)/PCBM:PVK (x wt%, ∼40 nm)/4,4′-bis(2,2′-diphenylvinyl)-1,1′-biphenyl (DPVBi) (30 nm)/Tris-(8-hydroxyquinoline)aluminum (Alq3) (30 nm)/lithium fluoride (LiF) (1 nm)/Al were fabricated to verify the transport properties of the nanocomposites. Finally, the nanocomposites were applied in the Alq3-based OLEDs as a hole-transporting layer. A significant improvement was observed in OLEDs when the nanocomposites were used to replace the conventional pristine PVK.

Keywords: DOPING; HOLE-TRANSPORTING; NANOCOMPOSITE; ORGANIC LIGHT EMITTING DIODE

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2011.5206

Publication date: 2011-11-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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