Potential of Surface-Discharge Microplasma Device as Ion Source for High Efficiency Electrical Charging of Nanoparticles
スポンサーリンク
概要
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In order to evaluate the potential of surface discharge microplasma device (SMD), long SMD was installed in the surface-discharge microplasma aerosol charger (SMAC) and the charging performance was measured for aerosol nanoparticles. The intrinsic charging efficiency for 5-nm particles was about 60% and that for 10-nm particles was 90% at the aerosol flow rate of 1.5 LPM because long SMD is capable of generating uniform concentration ions over wide area. The size-dependent charging efficiencies for these aerosol nanoparticles with a diameter between 3 and 30 nm were in good agreement with those predicted by the diffusion charging theory. The product of ion concentration (N) and charging time (t) estimated by the diffusion charging theory was 3.0×1013 sm-3, which is one order of magnitude higher than the previously reported chargers. These results confirm the high potential of SMD as ion source for charging aerosol nanoparticles.
著者
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FUJIMOTO Toshiyuki
Department of Chemical Engineering, Faculty of Engineering, Hiroshima University
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OTANI YOSHIO
Graduate School of Natural Science and Technology, Kanazawa University
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Otani Yoshio
Graduate School Of Natural Science And Technology Kanazawa University
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OSONE Saho
Graduate School of Natural Science and Technology, Kanazawa University
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MANIRAKIZA Eric
Graduate School of Natural Science and Technology, Kanazawa University
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SETO Takafumi
Graduate School of Natural Science and Technology, Kanazawa University
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Manirakiza Eric
Graduate School Of Natural Science And Technology Kanazawa University
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Osone Saho
Graduate School Of Natural Science And Technology Kanazawa University
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Fujimoto Toshiyuki
Department Of Applied Chemistry Muroran Institute Of Technology
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Seto Takafumi
Graduate School Of Natural Science And Technology Kanazawa University
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Fujimoto Toshiyuki
Department of Applied Chemistry, Muroran Institute of Technology
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