Blue Organic Light-Emitting Diodes Based on Solution-Processed Fluorene Derivative

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Abstract:

We report blue fluorescent organic light-emitting devices (OLED) by solution process utilizing a blue emitting small molecule, 2,7-bis[(9-ethyl-9H-carbazol-3-yl)ethenyl]-9,9-bis(4-n-octyloxyphenyl)-9H-fluorene (CB), which has good solubility in common organic solvent. The peak positions of absorption and emission spectra of a new fluorene-based molecule in tetrahydrofuran solution were observed at 399 and 439 nm, respectively. We achieved a maximum luminous efficiency of ∼3 cd/A with CIE color coordinates of (0.15, 0.15) in our device.

Keywords: FLUORENE; ORGANIC LIGHT-EMITTING DIODE; SOLUTION-PROCESS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2010.2969

Publication date: October 1, 2010

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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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