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Synthesis of copper/copper oxide nanoparticles by solution plasma

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Title: Synthesis of copper/copper oxide nanoparticles by solution plasma
Authors: Saito, Genki Browse this author →KAKEN DB
Hosokai, Sou Browse this author
Tsubota, Masakatsu Browse this author
Akiyama, Tomohiro Browse this author →KAKEN DB
Keywords: copper compounds
electrochemical electrodes
plasma materials processing
Issue Date: 15-Jul-2011
Publisher: American Institute of Physics
Journal Title: Journal of Applied Physics
Volume: 110
Issue: 2
Start Page: 023302
Publisher DOI: 10.1063/1.3610496
Abstract: This paper describes the synthesis of copper/copper oxide nanoparticles via a solution plasma, in which the effect of the electrolyte and electrolysis time on the morphology of the products was mainly examined. In the experiments, a copper wire as a cathode was immersed in an electrolysis solution of a K2CO3 with the concentration from 0.001 to 0.50 M or a citrate buffer (pH = 4.8), and was melted by the local-concentration of current. The results demonstrated that by using the K2CO3 solution, we obtained CuO nanoflowers with many sharp nanorods, the size of which decreased with decreasing the concentration of the solution. Spherical particles of copper with/without pores formed when the citrate buffer was used. The pores in the copper nanoparticles appeared when the applied voltage changed from 105 V to 130 V, due to the dissolution of Cu2O.
Rights: Copyright 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Appl. Phys. 110, 023302 (2011) and may be found at
Type: article
Appears in Collections:エネルギー・マテリアル融合領域研究センター (Center for Advanced Research of Energy and Material) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 秋山 友宏

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