Template-assisted electrochemical synthesis of cuprous oxide nanowires |
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| Authors: | Ho Sun Shin Jae Yong Song Jin Yu |
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| Affiliation: | 1. Center for Electronic Packaging Materials, Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701 South Korea;2. Division of Advanced Technology, Korea Research Institute of Standards and Science, 1 Doryong-dong, Yuseong-gu, Daejeon, 305-600, South Korea;1. Spintronics Laboratory, Department of Physics, International Islamic University, Islamabad, Pakistan;2. Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, University of Chinese Academy of Sciences, (UCAS), Beijing 100190, China;3. Department of Physics, Forman Christian College (University), Lahore, Pakistan;4. Department of Physics, Quaid-i-Azam University, Islamabad, Pakistan;5. Department of Physics, University of Gujrat, Gujrat, Pakistan;1. Department of Applied Physics, Hebei University of Technology, Tianjin 300401, China;2. Hebei Chemical and Pharmaceutical Vocational Technology College, Shijiazhuang 050026, China;3. Department of Public Foundation, Tianjin Youth Professional College, Tianjin 300350, China;4. College of Physics Science & Information Engineering, Hebei Normal University, Shijiazhuang 050024, China;1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow 119071, Russia;2. Tula State University, pr. Lenina 92, Tula 300600, Russia |
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| Abstract: | Nanowires of Cu2O as well as Cu were synthesized within the anodic aluminum oxide templates in an aqueous acidic electrochemical cell. The content of Cu2O in the copper nanowires was controlled by varying the anodic potential of the pulse-reverse electrolysis and the pH of the electrolyte within a range of 2.0–3.9. For the pH of 2.0, pure Cu nanowires were deposited regardless of the anodic potential. When the anodic potential became higher than the cathodic one, pure Cu2O nanowires were produced at a pH of 3.9. The growth of Cu2O nanowires in the acidic electrolyte was ascribed to the local increase of the pH at the pore base, as well as the capacitive barrier layer of the template. |
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