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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/33461

Title: GALLIUM NITRIDE NANOWIRES ENHANCED HIGH-EFFICIENCY COLD CATHODE FLUORESCENT LAMP
Authors: JEFF. T. H. TSAI;ZI-JIE LIAO
Contributors: 國立臺灣海洋大學:光電科學研究所
Keywords: Gallium nitride;cold cathode fluorescent lamp;nanowire
Date: 2011-10
Issue Date: 2013-04-01T08:47:24Z
Publisher: NANO
Abstract: Abstract:We demonstrated a cold cathode fluorescent lamp that contains gallium nitride (GaN) nanowires at the electrode surfaces in a gas discharge light source to enhance the power efficiency of this luminance system. GaN in the nanowire structure has a high geometric aspect ratio, which makes it an ideal plasma ignition enhancer. The nanostructure enhancer not only improves a lower ignition voltage but also eliminates the use of mercury in the conventional cold cathode fluorescent lamp system. Due to high temperature of plasma, the GaN nanowires are partially dissociated to release the Ga ions into the lamp. Because the Ga ion has a large capture cross-section of electrons, it helps the lamp electrodes to maintain a high electric resistance. This could enhance the power efficiency and prevent the sputtering effect on the electrode to improve the lifetime of the lamp. This mercury-free approach also makes such cold cathode fluorescent lamp as an environment-friendly device.
Relation: 6(5), pp.431-434
URI: http://ntour.ntou.edu.tw/handle/987654321/33461
Appears in Collections:[光電科學研究所] 期刊論文

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