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Preparation, characterization, and photoswitching/light-emitting behaviors of coronene nanowires

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Preparation, characterization, and photoswitching/light-emitting behaviors of coronene nanowires

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Title: Preparation, characterization, and photoswitching/light-emitting behaviors of coronene nanowires
Author: Xiao, Jinchong; Yang, Hui Ying; Yin, Zongyou; Guo, Jun; Boey, Freddy Yin Chiang; Zhang, Hua; Zhang, Qichun
Copyright year: 2011
Abstract: Coronene nanowires were prepared through the reprecipitation method. The as-prepared one-dimensional (1D) nanostructures were characterized by UV-vis, fluorescence spectra, X-ray diffraction (XRD), optical microscopy, field emission scanning electron microscopy (FESEM), and transmission electron microscopy (TEM). We found that coronene nanowires in aqueous solution emitted strong green light instead of blue light for coronene molecules in THF solution. Moreover, the thin film of coronene nanowires on rGO/SiO2/Si electrode produced a strong photocurrent response upon irradiation. In addition, a heterojunction light emitting diode (LED) device with the structure of quartz/ITO/p-coronene nanowires/n-SiC/Ti (10 nm)/Au (120 nm) has been fabricated. The strong electroluminescence (EL) emission centered at 430 nm was detected with a forward bias at 20 V. Our result showed that the use of organic nanowires as the p-type hole injection layer could produce diodes with performance better than those with only inorganic thin-film structures.
Subject: DRNTU::Science::Chemistry.
Type: Journal Article
Series/ Journal Title: Journal of materials chemistry
School: School of Materials Science and Engineering
Rights: © 2011 The Royal Society of Chemistry. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of Materials Chemistry, The Royal Society of Chemistry. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: http://dx.doi.org/10.1039/c0jm02350g.
Version: Accepted version

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