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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Microrod and microtube formation by electrodeposition of metal into ordered macropores prepared in p-type silicon
Journal of the Electrochemical Society, Volume 153, No. 4, Year 2006
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Description
Copper and nickel electrodeposition into ordered macropores prepared in p-type silicon has been studied in aqueous solutions containing cupric and nickel ions, respectively. When a macroporous silicon template was cathodically polarized in 0.1 M cupric sulfate solution, copper was deposited preferentially at the pore bottom in the dark, whereas the deposition was found to proceed not only at the pore bottom but also partially on the pore wall under the back side illumination. In contrast, the deposition of nickel in 0.1 M nickel sulfate solution was not possible in the dark, while deposition occurred uniformly on the entire surface of the pore wall under the back side illumination. Dissolution of silicon templates by the alkaline etching process led to the formation of copper microrods and nickel microtubes. The deposition behavior of both metals was compared and this discrepancy was discussed. © 2006 The Electrochemical Society. All rights reserved.
Authors & Co-Authors
Kobayashi, K.
Japan, Kyoto
Kyoto University
Harraz, Farid A.
Japan, Kyoto
Kyoto University
Egypt, Cairo
Advanced Materials Institute
Izuo, S.
Japan, Tokyo
Mitsubishi Electric Corporation
Sakka, Tetsuo
Japan, Kyoto
Kyoto University
United States, Pennington
The Electrochemical Society
Ogata, Yukio H.
Japan, Kyoto
Kyoto University
United States, Pennington
The Electrochemical Society
Statistics
Citations: 30
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1149/1.2168379
ISSN:
00134651