Novel Fluoranthene Structure for Deep-Blue Organic Light-Emitting Diodes

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Abstract:

As a new fluoranthene derivative, a synthesis of benzo[k]fluoranthene was suggested, so new blue emitting materials, 7,12-diphenylbenzo[k]fluoranthene [DPBF] and 7,8,10-triphenylfluoranthene [TPF] were synthesized. PLmax values of both compounds showed the wavelengths of 458 nm (TPF) and 434 nm, 453 nm (DPBF) that are in blue region. ELmax wavelength of the device using DPBF as an emitting layer was 436 and 454 nm in the deep-blue region, which are similar values with PL. The device that used DPBF as an emitting layer showed high efficiency of 2.11 cd/A and the excellent color coordinate value of (0.161, 0.131) in deep-blue region.

Keywords: BLUE EMITTING MATERIAL; ELECTROLUMINESCENCE; FLUORANTHENE; OLED

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2008.IC69

Publication date: September 1, 2008

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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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