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Title: Pore formation in p-type silicon in solutions containing different types of alcohol.
Authors: Urata, Tomoko
Fukami, Kazuhiro  kyouindb  KAKEN_id
Sakka, Tetsuo  kyouindb  KAKEN_id
Ogata, Yukio H
Author's alias: 深見, 一弘
Issue Date: 21-Jun-2012
Publisher: SpringerOpen
Journal title: Nanoscale research letters
Volume: 7
Thesis number: 329
Abstract: Macroporous structure of silicon can be obtained with anodization in HF solution. The macropore formation in the presence of alcohol was studied. Macroporous layer formation in a low-concentration HF solution is stabilized with increasing the number of carbon in alcohol. Dissolution at the topmost part of the porous layer is observed though the behavior depends upon the type of alcohol. Meanwhile the total mass loss of dissolved silicon is almost constant. Such dissolution at the top surface occurs only when the concentration of HF is low. Adding organic solvents to the HF solution also leads to the suppression of the pore wall dissolution. The type of alcohol and HF concentration in solution affect the formation of porous silicon.
Rights: © 2012 Urata et al. ; licensee Springer. This is an open access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
DOI(Published Version): 10.1186/1556-276X-7-329
PubMed ID: 22721606
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