Deposition of TiO_2 nanoparticles in surfactant-containing aqueous suspension by a pulsed DC charging-mode electrophoresis
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概要
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A pulse electrophoresis method was designed for depositing TiO_2 nanoparticles on a metal substrate inside an aqueous suspension. The suspension was prepared by mixing the commercially available nanometer-sized TiO_2 powders (P25, Degussa) with an organic surfactant in water. A suspension with relatively high concentration (30wt%) is stable for a few months; therefore it was not necessary to place an additional mixing during the deposition process. In the range of 2.5 to 40Hz, the pulse direct current (PDC) charging type electrophoretic with a maximum applied voltage of 54V (50% duty cycle) could narrow the particle size distribution or dispersity of TiO_2 particles depositing on the surface of a stainless steel electrode. The morphology of the TiO_2 nanoparticles layer deposited by PDC charging-mode was finer than those was deposited by a direct current (DC) charging mode.
- 2009-01-01
著者
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NAIM M.
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Tec
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KUWATA Masahiko
Department of Environmental Engineering for Symbiosis, Soka University
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KAMIYA Hidehiro
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Tec
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LENGGORO I.
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Tec
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Lenggoro I.
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agriculture And Tech
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Naim M.
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agriculture And Tech
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Kamiya Hidehiro
Graduate School Of Bio-applications And System Engineering Tokyo University Of Agriculture And Techn
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Kuwata Masahiko
Department Of Environmental Engineering For Symbiosis Soka University
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Kamiya Hidehiro
Graduate School Of Bio-applications And Systems Engineering Tokyo University Of Agriculture And Tech
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KAMIYA Hidehiro
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology:Department Chemical of Engineering, Tokyo University of Agriculture and Technology:Institute of Symbiotic Science and Technology, Tokyo University
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LENGGORO I.
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology:Department Chemical of Engineering, Tokyo University of Agriculture and Technology:Institute of Symbiotic Science and Technology, Tokyo University
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NAIM M.
Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology
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