2024-03-29T07:52:15Zhttps://eprints.lib.hokudai.ac.jp/dspace-oai/requestoai:eprints.lib.hokudai.ac.jp:2115/471322022-11-17T02:08:08Zhdl_2115_20071hdl_2115_183Synthesis of copper/copper oxide nanoparticles by solution plasma1000000749278Saito, GenkiHosokai, SouTsubota, Masakatsu1000050175808Akiyama, Tomohiroopen accessCopyright 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 https://dx.doi.org/10.1063/1.3610496copper compoundsdissolvingelectrochemical electrodeselectrolysiselectrolytesmeltingnanofabricationnanoparticlesnanorodsplasma materials processing427This 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.American Institute of Physics2011-07-15engjournal articleVoRhttp://hdl.handle.net/2115/47132https://doi.org/10.1063/1.36104960021-8979Journal of Applied Physics1102023302https://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/47132/1/JAP110-2_023302.pdfapplication/pdf2.14 MB2011-07-15